Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Timeout Configuration

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "nodes": [
    {
      "id": "82fd6023-2cc3-416e-83b7-fda24d07d77a",
      "name": "Issues to List",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        40,
        -100
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "data.issues.nodes"
      },
      "typeVersion": 1,
      "notes": "This splitOut node performs automated tasks as part of the workflow."
    },
    {
      "id": "9cc77786-e14f-47c6-a3cf-60c2830612e6",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        360,
        80
      ],
      "parameters": {
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "8gccIjcuf3gvaoEr",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "821d4a60-81a4-4915-9c13-3d978cc0114b",
      "name": "Combine Sentiment Analysis",
      "type": "n8n-nodes-base.set",
      "position": [
        700,
        -80
      ],
      "parameters": {
        "mode": "raw",
        "options": {},
        "jsonOutput": "={{\n{\n ...$('Issues to List').item.json,\n ...$json.output\n}\n}}"
      },
      "typeVersion": 3.4,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "fe6560f6-2e1b-4442-a2af-bd5a1623f213",
      "name": "Sentiment over Issue Comments",
      "type": "n8n-nodes-base.noOp",
      "position": [
        360,
        -80
      ],
      "parameters": {
        "text": "={{\n$json.comments.nodes.map(node => [\n `${node.user.displayName} commented on ${node.createdAt}:`,\n node.body\n].join('\\n')).join('---\\n')\n}}",
        "options": {},
        "attributes": {
          "attributes": [
            {
              "name": "sentiment",
              "required": true,
              "description": "One of positive, negative or neutral"
      ...

Output:
This workflow may experience timeout issues with long-running API requests.

**Symptoms**:
- Execution hangs indefinitely
- Connection timeout errors
- ETIMEDOUT or ESOCKETTIMEDOUT errors

**Root Cause**: No timeout configured for HTTP requests, or external services are slow.

**Solutions**:

1. **Set Appropriate Timeouts**:
```json
"options": {
  "timeout": 30000  // 30 seconds
}
```

2. **Add Error Handling**:
- Use Error Trigger node to catch timeout errors
- Implement fallback logic for failed requests

3. **Use Async Patterns**:
- For long operations, use webhook callbacks
- Implement polling patterns instead of waiting

4. **Configure Node Settings**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 2000,
"continueOnFail": true
```

**Best Practice**: Set reasonable timeouts (10-30 seconds) and always have error handling for external API calls.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Missing Credentials

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "meta": {
    "instanceId": "workflow-832df7ae",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.300339",
    "updatedAt": "2025-09-29T07:07:54.300355",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "0404384b-10b6-4666-84a4-8870db30c607",
      "name": "Embeddings OpenAI",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1220,
        280
      ],
      "parameters": {
        "model": "text-embedding-3-small",
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "8gccIjcuf3gvaoEr",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1,
      "notes": "This embeddingsOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "a6741f04-5a5b-47a9-ac08-eb562f9f6052",
      "name": "Default Data Loader",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1340,
        280
      ],
      "parameters": {
        "options": {
          "metadata": {
            "metadataValues": [
              {
                "name": "question",
                "value": "={{ $json.question }}"
              },
              {
                "name": "participant",
                "value": "={{ $json.participant }}"
              },
              {
                "name": "survey",
                "value": "={{ $('Get Survey Results').params.documentId.cachedResultName }}"
              }
            ]
          }
        },
        "jsonData": "={{ $json.answer }}",
        "jsonMode": "expressionData"
      },
      "typeVersion": 1,
      "notes": "This documentDefaultDataLoader node performs automated tasks as part of the workflow."
    },
    {
      "id": "7663c3dd-f713-4034-bef6-0c000285f54f",
      "name": "Convert to Question Answer Pairs",
      "type": "n8n-nodes-base.set",
      "position": [...

Output:
The node 'Get Survey Headers' (type: n8n-nodes-base.googleSheets) requires credentials but the 'credentials' configuration is missing.

**Root Cause**: The credentials object was not defined for this node.

**Solution**: Add the credentials configuration back to the node:
```json
"credentials": {
  "googleSheetsOAuth2Api": {
    "id": "XHvC7jIRR8A2TlUl",
    "name": "Google Sheets account"
  }
}
```

**Best Practice**: Always verify credentials are properly configured before deploying workflows. Use n8n's credential management system to store sensitive data securely.

Add credentials configuration to the 'Get Survey Headers' node.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Missing Credentials

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "UuuCIDvTNnloIlvq",
  "meta": {
    "instanceId": "workflow-ccbc3e9f",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.343100",
    "updatedAt": "2025-09-29T07:07:54.343110",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Automate Etsy Data Mining with Bright Data Scrape & Google Gemini",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "f369feaf-4782-4411-9d08-fe91b9ffd97e",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        200,
        -555
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "231bae3c-c27e-49fc-b878-2d5cc1e14c5a",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        200,
        -1020
      ],
      "parameters": {
        "width": 400,
        "height": 300,
        "content": "## Note\n\nDeals with the Esty web scraping by utilizing the Bright Data Web Unlocker Product.\n\nThe Information Extraction node being used to demonstrate the usage of the N8N AI capabilities.\n\n**Please make sure to set the Indeed search query and update the Webhook Notification URL**"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "f568de40-b389-41f9-afe9-5e09a291c367",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        640,
        -1020
      ],
      "parameters": {
        "width": 480,
        "height": 300,
        "content": "## LLM Usages\n\nGoogle Gemini Flash Exp model is being used.\n\nBasic LLM Chain Data Extractor."
      },
      "t...

Output:
The node 'Google Gemini Chat Model for product info' (type: n8n-nodes-base.noOp) requires credentials but the 'credentials' configuration is missing.

**Root Cause**: The credentials object was not defined for this node.

**Solution**: Add the credentials configuration back to the node:
```json
"credentials": {
  "googlePalmApi": {
    "id": "YeO7dHZnuGBVQKVZ",
    "name": "Google Gemini(PaLM) Api account"
  }
}
```

**Best Practice**: Always verify credentials are properly configured before deploying workflows. Use n8n's credential management system to store sensitive data securely.

Add credentials configuration to the 'Google Gemini Chat Model for product info' node.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Expression Reference Error

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "W5cevjhP3xIQdMhT",
  "meta": {
    "instanceId": "workflow-cd7964d0",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.344986",
    "updatedAt": "2025-09-29T07:07:54.344998",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Simple LinkedIn profile collector",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "6a120c5d-3405-467e-8073-80bf30f2f0fc",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -580,
        160
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "5a4cb9af-faff-4fba-a5ce-d2c9bc25a070",
      "name": "Google search w/ SerpAPI",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -100,
        160
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "options": {},
        "sendQuery": true,
        "authentication": "{{ $credentials.predefinedCredentialType }}",
        "queryParameters": {
          "parameters": [
            {
              "name": "q",
              "value": "=site:{{ $json.site }} {{ $json.Keyword }} {{ $json.Location }}"
            },
            {
              "name": "hl",
              "value": "={{ $json['Host langauge'] }}"
            },
            {
              "name": "gl",
              "value": "={{ $json.Geolocation }}"
            },
            {
              "name": "num",
              "value": "={{ $json['Number of search results to be returned'] }}"
            },
            {
              "name": "engine",
              "value": "={{ $json['Search engine'] }}"
            }
          ]
        },
        "nodeCredentialType": "YOUR_CREDENTIAL_HERE"
  ...

Output:
In node 'Sticky Note13', the parameter 'content' contains an expression that references undefined data.

**Faulty Expression**: `={{ $items[999].json.value }}`
**Original Value**: `## What does it do?

- Based on criteria input, it searches LinkedIn profiles
- It discards unnecessary data and turns the follower count into a real number
- The output is provided as an Excel table for download and in a NocoDB database`

**Root Cause**: The expression references a field, node, or variable that doesn't exist in the data flow.

**Debugging Steps**:
1. Check the output of previous nodes to verify available fields
2. Use the Expression Editor to test expressions interactively
3. Add a Set node before this one to inspect available data
4. Use optional chaining for potentially undefined fields: `$json.field?.subfield`

**Best Practice**: Always validate data availability before using expressions.

Fix the expression in 'Sticky Note13' parameter 'content'.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Rate Limiting Risk

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "WUFuYk56jNNpjfZm",
  "meta": {
    "instanceId": "workflow-fba85cd3",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.378929",
    "updatedAt": "2025-09-29T07:07:54.378942",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Real Estate Market Scanning",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "db8f34be-8475-4be6-b070-79a8185fad69",
      "name": "Schedule Market Scan",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        -1580,
        260
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours"
            }
          ]
        }
      },
      "typeVersion": 1.1,
      "notes": "This scheduleTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "36f4babd-3441-4da7-b485-3f9f561cb929",
      "name": "BatchData API Configuration",
      "type": "n8n-nodes-base.set",
      "position": [
        -1380,
        260
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "f44f6a90-6de5-4c02-909d-73cfce0c0c9a",
              "name": "apiKey",
              "type": "string",
              "value": "YOUR_BATCHDATA_API_KEY"
            },
            {
              "id": "9356ff74-9783-40cf-a8af-94e45f1ac83e",
              "name": "searchParameters",
              "type": "object",
              "value": "={\n  \"city\": \"Austin\",\n  \"state\": \"TX\",\n  \"minimumMarketValue\": 250000,\n  \"maximumMarketValue\": 600000,\n  \"minimumEquity\": 30,\n  \"propertyType\": [\"SFR\"],\n  \"limit\": 100\n}"
            }
          ]
        }
      },
      "typeVersion": 3.4,
      "notes": "This set node performs automated tasks as part o...

Output:
This workflow may encounter rate limiting issues when processing large batches of data.

**Common Rate Limit Errors**:
- HTTP 429 Too Many Requests
- HTTP 503 Service Unavailable
- API-specific rate limit messages

**Root Cause**: The workflow makes too many API requests in a short time period without delays.

**Solutions**:

1. **Add Wait Nodes**: Insert a Wait node between API calls
```json
{
  "parameters": {"amount": 1, "unit": "seconds"},
  "name": "Rate Limit Delay",
  "type": "n8n-nodes-base.wait"
}
```

2. **Enable Retry on Fail**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 5000
```

3. **Use Batch Processing**: Split items into smaller batches with delays

4. **Implement Exponential Backoff**: Increase wait times with each retry

**Best Practice**: Always check API documentation for rate limits and implement appropriate throttling.

Add rate limiting protection with Wait nodes and retry logic.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Expression Reference Error

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "XGFs5jZNCeURd4OT",
  "meta": {
    "instanceId": "workflow-747de0c3",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.391334",
    "updatedAt": "2025-09-29T07:07:54.391355",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Publish Image Post to Bluesky",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "afd666fc-8f79-488d-a295-4bfdd6883924",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        35,
        260
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "d31bfe18-5acc-4f72-80d0-d85111dd62cc",
      "name": "Create Bluesky Session",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        435,
        260
      ],
      "parameters": {
        "url": "{{ $env.WEBHOOK_URL }}",
        "method": "POST",
        "options": {},
        "jsonBody": "={{ $('Define Credentials').item.json.credentials }}",
        "sendBody": true,
        "specifyBody": "json"
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "514ac077-3c96-41f0-b178-afefe2f9faae",
      "name": "Download Images",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1260,
        260
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}",
        "options": {}
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "67e77e91-3a53-44c3-a474-2cd3b4977cf2",
      "name": "Code",
      "type": "n8n-nodes-base.code",
      "position": [
       ...

Output:
In node 'Sticky Note3', the parameter 'content' contains an expression that references undefined data.

**Faulty Expression**: `={{ $env.UNDEFINED_ENV_VAR }}`
**Original Value**: `# Create a new post with images on Bluesky
This workflow will
1. retrieve images from URLs you specify
2. upload them 1 by 1 as blobs to BlueSky
3. let you specify the basic text of a post
3. use your Bluesky credentials to post to your feed`

**Root Cause**: The expression references a field, node, or variable that doesn't exist in the data flow.

**Debugging Steps**:
1. Check the output of previous nodes to verify available fields
2. Use the Expression Editor to test expressions interactively
3. Add a Set node before this one to inspect available data
4. Use optional chaining for potentially undefined fields: `$json.field?.subfield`

**Best Practice**: Always validate data availability before using expressions.

Fix the expression in 'Sticky Note3' parameter 'content'.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Empty Input Handling

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "XYz1JYUXFHFVdlLj",
  "meta": {
    "instanceId": "workflow-bcb31cc1",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.360747",
    "updatedAt": "2025-09-29T07:07:54.360763",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Restore your workflows from GitHub",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "cab3a8b6-4106-4449-8b12-d57cc93477ab",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -1040,
        -160
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "733ce565-bd6e-4297-8166-52f79d68a0f2",
      "name": "Globals",
      "type": "n8n-nodes-base.set",
      "position": [
        -840,
        -160
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "6cf546c5-5737-4dbd-851b-17d68e0a3780",
              "name": "repo.owner",
              "type": "string",
              "value": "BeyondspaceStudio"
            },
            {
              "id": "452efa28-2dc6-4ea3-a7a2-c35d100d0382",
              "name": "repo.name",
              "type": "string",
              "value": "n8n-backup"
            },
            {
              "id": "81c4dc54-86bf-4432-a23f-22c7ea831e74",
              "name": "repo.path",
              "type": "string",
              "value": "workflows"
            }
          ]
        }
      },
      "typeVersion": 3.4,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "e20b94c3-f33a-48ff-b1df-aa8acc8f6f44",
      "name": "Sticky Note",
      "type": "n8n-node...

Output:
This workflow may fail when receiving empty or null input data.

**Common Error Messages**:
- "Cannot read property 'x' of undefined"
- "No items to process"
- "Input data is empty"

**Root Cause**: The workflow doesn't handle cases where:
- Trigger receives no data
- Previous node returns empty array
- API returns null or empty response

**Solutions**:

1. **Add IF Node for Empty Check**:
```json
{
  "parameters": {
    "conditions": {
      "number": [{
        "value1": "={{ $json.length }}",
        "operation": "larger",
        "value2": 0
      }]
    }
  },
  "name": "Check Not Empty",
  "type": "n8n-nodes-base.if"
}
```

2. **Use Default Values**:
```javascript
{{ $json.field ?? "default_value" }}
{{ $json.items || [] }}
```

3. **Add Set Node with Defaults**:
- Create a Set node that provides default values
- Place it early in the workflow

4. **Implement No Match Output**:
- Many nodes have "No Match" outputs
- Use these to handle empty cases gracefully

**Best Practice**: Always validate input data and provide sensible defaults for optional fields.

Add validation for empty or null input data.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Data Type Mismatch

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "YZpFvpXOTYkBpiUU",
  "meta": {
    "instanceId": "workflow-d8fbde86",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.428043",
    "updatedAt": "2025-09-29T07:07:54.428056",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Extract Business Leads from Google Maps with Dumpling AI to Google Sheets",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "3a49e594-6c62-4128-825e-99cdfd7e6ed5",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -660,
        -200
      ],
      "parameters": {
        "width": 600,
        "height": 700,
        "content": "#### \ud83d\udd0d Workflow Goal\nAutomatically search Google Maps using Dumpling AI based on a keyword (e.g., best restaurants in New York), extract results, and log them into a structured Google Sheet.\n\n## \ud83d\ude80 Workflow Steps\n1. **Manual Trigger**\n   - Starts the workflow when testing manually.\n\n2. **Dumpling AI Google Search**\n   - Sends a POST request to Dumpling AI to search for locations on Google Maps based on your query.\n\n3. **Split Out Node**\n   - Breaks the `places[]` array into individual items so each result can be handled separately.\n\n4. **Google Sheets Node**\n   - Appends each place\u2019s data (name, address, phone, website, rating, etc.) into a specific tab of your Google Sheets.\n\n##### \ud83e\udde0 Notes\n- The search query is currently set to: `\"best+restaurants+in+New+York\"`\n- Output columns include rating, price level, website, phone, booking links, etc.\n- Each run consumes Dumpling AI credits per query.\n- You can customize search keywords or location in the HTTP Request body.\n\n#### \u2705 Tip\nTo automate this regularly, change the trigger node to a **Schedule Trigger** and add dynamic query in...

Output:
The node 'Split Places List for Processing' has a data type mismatch in its parameters.

**Issue**: A field expected a number but received a string value.

**Common Causes**:
1. Expression returns string instead of number
2. JSON parsing preserves string types for numeric values
3. Upstream node outputs different data types than expected

**Solutions**:

1. **Type Conversion in Expression**:
```javascript
// Convert string to number
{ parseInt($json.stringValue) }
{ parseFloat($json.decimalString) }
{ Number($json.value) }
```

2. **Use Code Node for Transformation**:
```javascript
return items.map(item => {
  item.json.numericField = Number(item.json.stringField);
  return item;
});
```

3. **Validate Data Types**:
- Use IF node to check types before processing
- Add error handling for invalid types

**Best Practice**: Always validate and transform data types explicitly when passing data between nodes.

Fix data type conversion in 'Split Places List for Processing'.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Expression Reference Error

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "ZI0PxugfKsyepqeH",
  "meta": {
    "instanceId": "workflow-77424804",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.444260",
    "updatedAt": "2025-09-29T07:07:54.444272",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Shopify order UTM to Baserow",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "2ba892fc-59c9-442b-aa21-a5c23b6076e5",
      "name": "Baserow",
      "type": "n8n-nodes-base.baserow",
      "position": [
        2860,
        380
      ],
      "parameters": {
        "tableId": 646,
        "fieldsUi": {
          "fieldValues": [
            {
              "fieldId": 6164,
              "fieldValue": "={{ $json.order }}"
            },
            {
              "fieldId": 6165,
              "fieldValue": "={{ $json.campaign }}"
            },
            {
              "fieldId": 6166,
              "fieldValue": "={{ $json.content }}"
            },
            {
              "fieldId": 6167,
              "fieldValue": "={{ $json.medium }}"
            },
            {
              "fieldId": 6168,
              "fieldValue": "={{ $json.source }}"
            },
            {
              "fieldId": 6170,
              "fieldValue": "={{ $json.revenue }}"
            }
          ]
        },
        "operation": "={{ $items[999].json.value }}",
        "databaseId": 121
      },
      "credentials": {
        "baserowApi": {
          "id": "VaQgKQ8NPXVMrvMl",
          "name": "Baserow account"
        }
      },
      "typeVersion": 1,
      "notes": "This baserow node performs automated tasks as part of the workflow."
    },
    {
      "id": "e35a0417-7a6a-46bb-8970-20aa7c19d168",
      "name": "No Operation, do nothing",
      "type": "n8n-nodes-base.noOp",
      "position": [
        2860,
       ...

Output:
In node 'Baserow', the parameter 'operation' contains an expression that references undefined data.

**Faulty Expression**: `={{ $items[999].json.value }}`
**Original Value**: `create`

**Root Cause**: The expression references a field, node, or variable that doesn't exist in the data flow.

**Debugging Steps**:
1. Check the output of previous nodes to verify available fields
2. Use the Expression Editor to test expressions interactively
3. Add a Set node before this one to inspect available data
4. Use optional chaining for potentially undefined fields: `$json.field?.subfield`

**Best Practice**: Always validate data availability before using expressions.

Fix the expression in 'Baserow' parameter 'operation'.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Timeout Configuration

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "ZiIoKEClTk83g1Jt",
  "meta": {
    "instanceId": "workflow-8bfd2626",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.451560",
    "updatedAt": "2025-09-29T07:07:54.451597",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Gmail to Vector Embeddings with PGVector and Ollama",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "162b1a8b-2471-4880-9fcb-7f2dcfe175a8",
      "name": "Embeddings Ollama",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1920,
        -100
      ],
      "parameters": {
        "model": "nomic-embed-text:latest"
      },
      "credentials": {},
      "typeVersion": 1,
      "notes": "This embeddingsOllama node performs automated tasks as part of the workflow."
    },
    {
      "id": "49eb04b0-3b54-499c-ba46-3251102a4017",
      "name": "Default Data Loader",
      "type": "n8n-nodes-base.noOp",
      "position": [
        2040,
        -97.5
      ],
      "parameters": {
        "options": {
          "metadata": {
            "metadataValues": [
              {
                "name": "emails_metadata.id",
                "value": "={{ $('Extract email fields').item.json.email_id }}"
              },
              {
                "name": "emails_metadata.thread_id",
                "value": "={{ $('Extract email fields').item.json.thread_id }}"
              }
            ]
          }
        },
        "jsonData": "={{ $('Extract email fields').item.json.email_text }}",
        "jsonMode": "expressionData"
      },
      "typeVersion": 1,
      "notes": "This documentDefaultDataLoader node performs automated tasks as part of the workflow."
    },
    {
      "id": "b4853472-6ac7-4da5-97b3-b22950ddff06",
      "name": "Recursive Character Text Splitter",
      "type": "n8n-nodes-base.no...

Output:
This workflow may experience timeout issues with long-running API requests.

**Symptoms**:
- Execution hangs indefinitely
- Connection timeout errors
- ETIMEDOUT or ESOCKETTIMEDOUT errors

**Root Cause**: No timeout configured for HTTP requests, or external services are slow.

**Solutions**:

1. **Set Appropriate Timeouts**:
```json
"options": {
  "timeout": 30000  // 30 seconds
}
```

2. **Add Error Handling**:
- Use Error Trigger node to catch timeout errors
- Implement fallback logic for failed requests

3. **Use Async Patterns**:
- For long operations, use webhook callbacks
- Implement polling patterns instead of waiting

4. **Configure Node Settings**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 2000,
"continueOnFail": true
```

**Best Practice**: Set reasonable timeouts (10-30 seconds) and always have error handling for external API calls.

Configure appropriate timeouts and error handling for HTTP requests.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Expression Reference Error

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "ZkIH2ygj2BNSfMOh",
  "meta": {
    "instanceId": "workflow-37eda352",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.447802",
    "updatedAt": "2025-09-29T07:07:54.447860",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Dynamic Form with AI",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "5893c244-22b0-4699-a286-0ce121ccc427",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -340,
        240
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "1OMpAMAKR9l3eUDI",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "e7e333d4-42e5-4e6a-b78b-a3a45c31f37c",
      "name": "Clarification Questions",
      "type": "n8n-nodes-base.form",
      "position": [
        1100,
        -60
      ],
      "webhookId": "61936e5d-a2d3-447f-bf2f-722be2e1eb17",
      "parameters": {
        "options": {},
        "defineForm": "json",
        "jsonOutput": "={{ $json.data }}"
      },
      "typeVersion": 1,
      "notes": "This form node performs automated tasks as part of the workflow."
    },
    {
      "id": "4b2bbc17-0e74-499d-ac6f-6c94ce3eb5ee",
      "name": "Get Basic Information",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        -880,
        -60
      ],
      "webhookId": "5256b332-3d3c-486a-8449-85fa44961bb8",
      "parameters": {
        "options": {},
        "formTitle": "Get in Touch",
        "formFields": {
          "values": [
     ...

Output:
In node 'Sticky Note6', the parameter 'content' contains an expression that references undefined data.

**Faulty Expression**: `={{ $json["non_existent_field"] }}`
**Original Value**: `### Modification
Modify the prompt to suit your use case`

**Root Cause**: The expression references a field, node, or variable that doesn't exist in the data flow.

**Debugging Steps**:
1. Check the output of previous nodes to verify available fields
2. Use the Expression Editor to test expressions interactively
3. Add a Set node before this one to inspect available data
4. Use optional chaining for potentially undefined fields: `$json.field?.subfield`

**Best Practice**: Always validate data availability before using expressions.

Fix the expression in 'Sticky Note6' parameter 'content'.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Data Type Mismatch

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "ZpgJpdtmq6MM1jr2",
  "meta": {
    "instanceId": "workflow-60be7bfb",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.446435",
    "updatedAt": "2025-09-29T07:07:54.446448",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "AI T-Shirt Redesign Workflow from any Mockup Image",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "trigger-ef941bcc",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "id": "97ce19f8-d83b-481d-a5c4-8ed46a06f18d",
      "name": "HTTP Request",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        360,
        -600
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "method": "POST",
        "options": {},
        "jsonBody": "={\n  \"model\": \"gpt-image-1\",\n  \"prompt\": \"{{ $json.escapedString }}\",\n  \"n\": 1,\n  \"size\": \"1024x1536\",\n  \"quality\": \"high\"\n}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "{{ $credentials.predefinedCredentialType }}",
        "nodeCredentialType": "YOUR_CREDENTIAL_HERE"
      },
      "credentials": {
        "openAiApi": {
          "id": "15P9TuEdDQwlWhIR",
          "name": "OpenAi account 2"
        }
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "3ba73c97-c6d7-4275-8c8c-064a49762edb",
      "name": "Convert to File",
      "type": "n8n-nodes-base.convertToFile",
      "position": [
        780,
        -600
      ],
      "parameters": {
        "options": {},
        "operation": "toBinary",
        "sourceProperty": "data[0].b64_...

Output:
The node 'Sticky Note1' has a data type mismatch in its parameters.

**Issue**: A field expected a number but received a string value.

**Common Causes**:
1. Expression returns string instead of number
2. JSON parsing preserves string types for numeric values
3. Upstream node outputs different data types than expected

**Solutions**:

1. **Type Conversion in Expression**:
```javascript
// Convert string to number
{ parseInt($json.stringValue) }
{ parseFloat($json.decimalString) }
{ Number($json.value) }
```

2. **Use Code Node for Transformation**:
```javascript
return items.map(item => {
  item.json.numericField = Number(item.json.stringField);
  return item;
});
```

3. **Validate Data Types**:
- Use IF node to check types before processing
- Add error handling for invalid types

**Best Practice**: Always validate and transform data types explicitly when passing data between nodes.

Fix data type conversion in 'Sticky Note1'.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Timeout Configuration

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "",
  "meta": {
    "instanceId": "workflow-63a22670",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.461903",
    "updatedAt": "2025-09-29T07:07:54.461917",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Easily Compare LLMs Using OpenAI and Google Sheets",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "trigger-cb3e8076",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "id": "",
      "name": "When chat message received",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -7400,
        3040
      ],
      "webhookId": "",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1,
      "notes": "This chatTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "-1",
      "name": "Loop Over Items",
      "type": "n8n-nodes-base.splitInBatches",
      "position": [
        -5960,
        3040
      ],
      "parameters": {
        "options": {
          "reset": false
        }
      },
      "typeVersion": 3,
      "notes": "This splitInBatches node performs automated tasks as part of the workflow."
    },
    {
      "id": "-2",
      "name": "Simple Memory",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -4880,
        3000
      ],
      "parameters": {
        "sessionKey": "YOUR_CREDENTIAL_HERE",
        "sessionIdType": "customKey"
      },
      "typeVersion": 1.3,
      "notes": "This memoryBufferWindow node performs automated tasks as part of the workflow."
    },
    {
      "id": "-3",
      "name": "Chat Memory Manager",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -4...

Output:
This workflow may experience timeout issues with long-running API requests.

**Symptoms**:
- Execution hangs indefinitely
- Connection timeout errors
- ETIMEDOUT or ESOCKETTIMEDOUT errors

**Root Cause**: No timeout configured for HTTP requests, or external services are slow.

**Solutions**:

1. **Set Appropriate Timeouts**:
```json
"options": {
  "timeout": 30000  // 30 seconds
}
```

2. **Add Error Handling**:
- Use Error Trigger node to catch timeout errors
- Implement fallback logic for failed requests

3. **Use Async Patterns**:
- For long operations, use webhook callbacks
- Implement polling patterns instead of waiting

4. **Configure Node Settings**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 2000,
"continueOnFail": true
```

**Best Practice**: Set reasonable timeouts (10-30 seconds) and always have error handling for external API calls.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Rate Limiting Risk

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "cRprVEUCjjvozkfb",
  "meta": {
    "instanceId": "workflow-771c7daf",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.511872",
    "updatedAt": "2025-09-29T07:07:54.511887",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Get all orders in Squarespace to Google Sheets",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "cafda066-7a13-4e0d-8e3d-288196b8297a",
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        340,
        100
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "a1dcafad-6e82-4569-ba33-560d3286b08e",
      "name": "Query Orders",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        800,
        180
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}",
        "options": {
          "pagination": {
            "pagination": {
              "parameters": {
                "parameters": [
                  {
                    "name": "cursor",
                    "value": "={{ $response.body.pagination.nextPageCursor }}"
                  }
                ]
              },
              "maxRequests": "={{ $json.maxPage === -1 ? Infinity : $json.maxPage }}",
              "limitPagesFetched": true,
              "completeExpression": "={{ !$response.body.pagination.nextPageCursor }}",
              "paginationCompleteWhen": "other"
            }
          }
        },
        "sendQuery": true,
        "authentication": "{{ $credentials.genericCredentialType }}",
        "genericAuthType": "httpHeaderAuth",
        "queryParameters": {
          "parameters": [
            {
              "name": "modified...

Output:
This workflow may encounter rate limiting issues when processing large batches of data.

**Common Rate Limit Errors**:
- HTTP 429 Too Many Requests
- HTTP 503 Service Unavailable
- API-specific rate limit messages

**Root Cause**: The workflow makes too many API requests in a short time period without delays.

**Solutions**:

1. **Add Wait Nodes**: Insert a Wait node between API calls
```json
{
  "parameters": {"amount": 1, "unit": "seconds"},
  "name": "Rate Limit Delay",
  "type": "n8n-nodes-base.wait"
}
```

2. **Enable Retry on Fail**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 5000
```

3. **Use Batch Processing**: Split items into smaller batches with delays

4. **Implement Exponential Backoff**: Increase wait times with each retry

**Best Practice**: Always check API documentation for rate limits and implement appropriate throttling.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Missing Credentials

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "meta": {
    "instanceId": "workflow-0ad4bcd5",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.509492",
    "updatedAt": "2025-09-29T07:07:54.509502",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "trigger-bad9d6e0",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "id": "082d1828-72b1-48c0-8426-c8051c29f0db",
      "name": "Session",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -20,
        -20
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "options": {},
        "authentication": "{{ $credentials.genericCredentialType }}",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "3IRsYkeB2ofrwQjv",
          "name": "Fastmail"
        }
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "d7dc4c50-c8fc-4999-918d-5d357567ed14",
      "name": "Get Mailbox IDs",
      "type": "n8n-nodes-base.httpRequest",
      "notes": "{{ $env.API_BASE_URL }}\n\n{{ $env.API_BASE_URL }}",
      "position": [
        200,
        -20
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "method": "POST",
        "options": {},
        "jsonBody": "={\n \"using\": [\"urn:ietf:params:jmap:core\", \"urn:ietf:params:jmap:mail\"],\n \"methodCalls\": [\n [\n \"Mailbox/get\",\n {\n \"accountId\": \"{{ $('Session').item.json.primaryAccounts['urn:ietf:params:jmap:mail'] }}\"\n },\n \"c0\"\n ]\n ]\n }",
        "sendBody": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "authentication": "{{ $credentials.genericC...

Output:
The node 'upload draft email' (type: n8n-nodes-base.httpRequest) requires credentials but the 'credentials' configuration is missing.

**Root Cause**: The credentials object was not defined for this node.

**Solution**: Add the credentials configuration back to the node:
```json
"credentials": {
  "httpHeaderAuth": {
    "id": "3IRsYkeB2ofrwQjv",
    "name": "Fastmail"
  }
}
```

**Best Practice**: Always verify credentials are properly configured before deploying workflows. Use n8n's credential management system to store sensitive data securely.

Add credentials configuration to the 'upload draft email' node.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Rate Limiting Risk

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "d23vz3qcBf6KfuZA",
  "meta": {
    "instanceId": "workflow-529f7985",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.518233",
    "updatedAt": "2025-09-29T07:07:54.518336",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "\ud83c\udfa6\ud83d\ude80 YouTube Video Comment Analysis Agent",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "6661e7c3-ec1e-43b0-8bc6-44abbefbbcea",
      "name": "When Executed by Another Workflow",
      "type": "n8n-nodes-base.executeWorkflowTrigger",
      "disabled": true,
      "position": [
        -160,
        80
      ],
      "parameters": {
        "inputSource": "jsonExample",
        "jsonExample": "{\n  \"query\": {\n\t\"videoId\": \"YouTube video id\"\n  }\n}"
      },
      "typeVersion": 1.1,
      "notes": "This executeWorkflowTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "729edcc9-7eda-4ad0-b168-5e5a57cdbf6a",
      "name": "Sticky Note10",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -300,
        -80
      ],
      "parameters": {
        "color": 7,
        "width": 1730,
        "height": 760,
        "content": "## \ud83d\udee0\ufe0fYouTube Video Details & Comments Processing Tool"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "454c3494-9808-475d-ad53-decd54d99783",
      "name": "Create YouTube API URL",
      "type": "n8n-nodes-base.code",
      "position": [
        500,
        100
      ],
      "parameters": {
        "jsCode": "// Define the base URL for the YouTube Data API\nconst BASE_URL = '{{ $env.API_BASE_URL }}';\n\n// Get the first input item\nconst item = $input.first();\n\n// Extract the videoId and google...

Output:
This workflow may encounter rate limiting issues when processing large batches of data.

**Common Rate Limit Errors**:
- HTTP 429 Too Many Requests
- HTTP 503 Service Unavailable
- API-specific rate limit messages

**Root Cause**: The workflow makes too many API requests in a short time period without delays.

**Solutions**:

1. **Add Wait Nodes**: Insert a Wait node between API calls
```json
{
  "parameters": {"amount": 1, "unit": "seconds"},
  "name": "Rate Limit Delay",
  "type": "n8n-nodes-base.wait"
}
```

2. **Enable Retry on Fail**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 5000
```

3. **Use Batch Processing**: Split items into smaller batches with delays

4. **Implement Exponential Backoff**: Increase wait times with each retry

**Best Practice**: Always check API documentation for rate limits and implement appropriate throttling.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Syntax Error

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "ift5iHQG9G2lzJzP"
  "meta": {
    "instanceId": "workflow-2cde4ad9",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.556880",
    "updatedAt": "2025-09-29T07:07:54.556897",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Linkedin to Airtable",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "623c5cf2-0c16-47fe-8ec0-fa66e7c32576",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        -980,
        -520
      ],
      "parameters": {
        "rule": {
          "interval": [
            {}
          ]
        }
      },
      "typeVersion": 1.2,
      "notes": "This scheduleTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "f09f752b-162b-4d9d-a397-69f3ead78e45",
      "name": "Fetch LinkedIn Likes",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -780,
        -520
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "options": {},
        "sendQuery": true,
        "sendHeaders": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "username",
              "value": "< YOUR LINKEDIN USERNAME >"
            },
            {
              "name": "start",
              "value": "0"
            }
          ]
        },
        "headerParameters": {
          "parameters": [
            {
              "name": "x-rapidapi-host",
              "value": "linkedin-api8.p.rapidapi.com"
            },
            {
              "name": "x-rapidapi-key",
              "value": "< YOUR RAPID API KEY >"
            }
          ]
        }
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflo...

Output: The JSON is invalid because a comma is missing between properties. JSON requires commas to separate object properties and array elements.

Add the missing comma between object properties.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Data Type Mismatch

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "ikxQzs58WxtUjbuE",
  "meta": {
    "instanceId": "workflow-9df78d7d",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.557274",
    "updatedAt": "2025-09-29T07:07:54.557283",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Entra Contacts to Zammad User Sync",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "5cf615cd-d555-4efa-bde4-5e1e2bda0c71",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -2120,
        160
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "334e380c-ce6b-48c6-be2a-e688cd52ef14",
      "name": "Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1700,
        380
      ],
      "parameters": {
        "width": 1635.910561370123,
        "height": 329.7269624573379,
        "content": "## Select Entra Contacts that should be synced to Zammad\n\n\n\n",
        "_injected_number_field": "not_a_number"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "39b9ace7-97ba-4202-9c7a-752f67c6a60b",
      "name": "Zammad Univeral User Object",
      "type": "n8n-nodes-base.set",
      "position": [
        -500,
        500
      ],
      "parameters": {
        "values": {
          "number": [
            {
              "name": "entra_key",
              "value": "={{ $json.id }}"
            }
          ],
          "string": [
            {
              "name": "email",
              "value": "={{ $json.mail }}"
            },
            {
              "name": "lastname",
              "value": ...

Output:
The node 'Note1' has a data type mismatch in its parameters.

**Issue**: A field expected a number but received a string value.

**Common Causes**:
1. Expression returns string instead of number
2. JSON parsing preserves string types for numeric values
3. Upstream node outputs different data types than expected

**Solutions**:

1. **Type Conversion in Expression**:
```javascript
// Convert string to number
{ parseInt($json.stringValue) }
{ parseFloat($json.decimalString) }
{ Number($json.value) }
```

2. **Use Code Node for Transformation**:
```javascript
return items.map(item => {
  item.json.numericField = Number(item.json.stringField);
  return item;
});
```

3. **Validate Data Types**:
- Use IF node to check types before processing
- Add error handling for invalid types

**Best Practice**: Always validate and transform data types explicitly when passing data between nodes.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Syntax Error

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "kJMoiGRorIlsTYZv",
  "meta": {
    "instanceId": "workflow-17c55cae",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.577801",
    "updatedAt": "2025-09-29T07:07:54.577814",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Amazon keywords",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "ac4b8cad-b8a3-4cc0-a848-1b6976c1d78a",
      "name": "Clean Keywords",
      "type": "n8n-nodes-base.set",
      "position": [
        380,
        620
      ],
      "parameters": {
        "options": {
          "ignoreConversionErrors": true
        },
        "assignments": {
          "assignments": [
            {
              "id": "fb95058f-0c20-4249-8a45-7b935fde1874",
              "name": "Keywords",
              "type": "array",
              "value": "={{ $json.value }}"
            }
          ]
        }
      },
      "typeVersion": 3.3,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "62575572-e4d2-43e8-9339-d4737961883e",
      "name": "Get airtable data",
      "type": "n8n-nodes-base.airtable",
      "position": [
        -220,
        620
      ],
      "parameters": {
        "id": "={{ $json.query.q }}",
        "base": {
          "__rl": true,
          "mode": "list",
          "value": "appGZ14ny5J2PYbq8",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Amazon keyword"
        },
        "table": {
          "__rl": true,
          "mode": "list",
          "value": "tblvK8Nq4Jqb2Ubun",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Table 1"
        },
        "options": {}
      },
      "credentials": {
        "airtableTokenApi": {
          "id": "FV1F34pRcGoKZ8GY",
          "name": ...

Output: The JSON is invalid because it is missing a closing brace '}' at the end of the file. Add the missing '}' to close the workflow object.

Add a closing brace '}' at the end of the JSON.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Expression Reference Error

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "keFEBUqHOrsib60G",
  "meta": {
    "instanceId": "workflow-75b96bea",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.610471",
    "updatedAt": "2025-09-29T07:07:54.610487",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "\ud83e\udd99\ud83d\udc41\ufe0f\ud83d\udc41\ufe0f Find the Best Local Ollama Vision Models by Comparison",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "dd2f1201-a78a-4ea9-b5ff-7543673e8445",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1080,
        1160
      ],
      "parameters": {
        "color": 4,
        "width": 340,
        "height": 340,
        "content": "## \ud83d\udc41\ufe0f Analyze Image with Local Ollama LLM\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "81975be4-1e40-41e9-b938-612270f80a92",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        280,
        640
      ],
      "parameters": {
        "color": 4,
        "width": 300,
        "height": 300,
        "content": "## \ud83d\udc4dTry Me!"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "3a56f75b-4836-4c37-a246-83ef6507c581",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        380,
        740
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "bb4570c7-269c-4d28-85d4-183ca2fabb89",
      "name": "Ollama LLM Request",
      "type": "n8n-nod...

Output:
In node 'Sticky Note', the parameter 'content' contains an expression that references undefined data.

**Faulty Expression**: `={{ $json.deeply.nested.undefined.path }}`
**Original Value**: `## ⬇Download Image from Google Drive`

**Root Cause**: The expression references a field, node, or variable that doesn't exist in the data flow.

**Debugging Steps**:
1. Check the output of previous nodes to verify available fields
2. Use the Expression Editor to test expressions interactively
3. Add a Set node before this one to inspect available data
4. Use optional chaining for potentially undefined fields: `$json.field?.subfield`

**Best Practice**: Always validate data availability before using expressions.

Fix the expression in 'Sticky Note' parameter 'content'.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Missing Credentials

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "nGpVbW7RTylKujyT",
  "meta": {
    "instanceId": "workflow-4c2ad8a3",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.617344",
    "updatedAt": "2025-09-29T07:07:54.617503",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "AI powered SEO Keyword Research Automation - The vibe Marketer",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "65aacfa5-4891-49f9-a614-2866c96142ee",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        88,
        455
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "o1",
          "cachedResultName": "o1"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "AZynAxNG099jyj7B",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "5a0445ad-20c9-4e62-8e04-62451d3e8f7e",
      "name": "Structured Output Parser",
      "type": "n8n-nodes-base.noOp",
      "position": [
        208,
        455
      ],
      "parameters": {
        "jsonSchemaExample": "{\n  \"primary_keywords\": [\"string\"],\n  \"long_tail_keywords\": [\n    {\n      \"keyword\": \"string\",\n      \"intent\": \"string\"\n    }\n  ],\n  \"question_based_keywords\": [\"string\"],\n  \"related_topics\": [\"string\"]\n}\n"
      },
      "typeVersion": 1.2,
      "notes": "This outputParserStructured node performs automated tasks as part of the workflow."
    },
    {
      "id": "38cd2c66-d4b7-47a9-a3eb-f58eb32f55ab",
      "name": "Topic Expansion",
      "type": "n8n-nodes-base.noOp",
      "position": [
        60,
        235
      ],
    ...

Output:
The node 'OpenAI Chat Model1' (type: n8n-nodes-base.noOp) requires credentials but the 'credentials' configuration is missing.

**Root Cause**: The credentials object was not defined for this node.

**Solution**: Add the credentials configuration back to the node:
```json
"credentials": {
  "openAiApi": {
    "id": "AZynAxNG099jyj7B",
    "name": "OpenAi account"
  }
}
```

**Best Practice**: Always verify credentials are properly configured before deploying workflows. Use n8n's credential management system to store sensitive data securely.

Add credentials configuration to the 'OpenAI Chat Model1' node.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Empty Input Handling

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "nmVATBvrztDxZX6z",
  "meta": {
    "instanceId": "workflow-baf697a7",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.676047",
    "updatedAt": "2025-09-29T07:07:54.676059",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "LinkedIn Profile Finder via Form using Bright Data & GPT-4o-mini",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "ff6d4985-8b42-46d8-95c8-e80ff102440c",
      "name": "Extract Body and Title from Website",
      "type": "n8n-nodes-base.html",
      "position": [
        1600,
        -1120
      ],
      "parameters": {
        "options": {
          "trimValues": true
        },
        "operation": "extractHtmlContent",
        "dataPropertyName": "body",
        "extractionValues": {
          "values": [
            {
              "key": "YOUR_CREDENTIAL_HERE",
              "cssSelector": "title"
            },
            {
              "key": "YOUR_CREDENTIAL_HERE",
              "cssSelector": "body"
            }
          ]
        }
      },
      "typeVersion": 1.2,
      "notes": "This html node performs automated tasks as part of the workflow."
    },
    {
      "id": "4da21d9c-59d2-4151-a1ca-5e7a85cf0316",
      "name": "When User Completes Form",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        580,
        -1120
      ],
      "webhookId": "41d0bffa-f5ca-4df7-b757-ca5a1e472b8a",
      "parameters": {
        "options": {
          "path": "search-user",
          "ignoreBots": true,
          "buttonLabel": "Get References"
        },
        "formTitle": "Sales prospecting",
        "formFields": {
          "values": [
            {
              "fieldLabel": "Person Fullname",
              "placeholder": "Complete the fullname",
              "requiredField": true
 ...

Output:
This workflow may fail when receiving empty or null input data.

**Common Error Messages**:
- "Cannot read property 'x' of undefined"
- "No items to process"
- "Input data is empty"

**Root Cause**: The workflow doesn't handle cases where:
- Trigger receives no data
- Previous node returns empty array
- API returns null or empty response

**Solutions**:

1. **Add IF Node for Empty Check**:
```json
{
  "parameters": {
    "conditions": {
      "number": [{
        "value1": "={{ $json.length }}",
        "operation": "larger",
        "value2": 0
      }]
    }
  },
  "name": "Check Not Empty",
  "type": "n8n-nodes-base.if"
}
```

2. **Use Default Values**:
```javascript
{{ $json.field ?? "default_value" }}
{{ $json.items || [] }}
```

3. **Add Set Node with Defaults**:
- Create a Set node that provides default values
- Place it early in the workflow

4. **Implement No Match Output**:
- Many nodes have "No Match" outputs
- Use these to handle empty cases gracefully

**Best Practice**: Always validate input data and provide sensible defaults for optional fields.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Rate Limiting Risk

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "olDVR3wuxbUsTvuW",
  "meta": {
    "instanceId": "workflow-daf98164",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.667198",
    "updatedAt": "2025-09-29T07:07:54.667215",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Get all scaleway server info copy",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "9da28130-ed83-4129-b65c-82969fe3126d",
      "name": "Code",
      "type": "n8n-nodes-base.code",
      "position": [
        2000,
        -60
      ],
      "parameters": {
        "jsCode": "// Function to extract essential information from servers\nfunction extractServers(serversArray) {\n    let servers = [];\n\n    if (!Array.isArray(serversArray)) {\n        console.log(\"\u26a0\ufe0f Invalid data received:\", JSON.stringify(serversArray, null, 2));\n        return servers; // Returns an empty array if the data is not valid\n    }\n\n    serversArray.forEach(server => {\n        servers.push({\n            name: server.name || \"Unknown\",\n            tags: server.tags && server.tags.length > 0 ? server.tags.join(\", \") : \"No tags\",\n            public_ip: getPublicIPs(server),\n            type: server.commercial_type || server.offer_name || \"Unknown\", // Baremetal does not have commercial_type, but offer_name\n            state: server.state || server.status || \"Unknown\", // Baremetal uses status instead of state\n            zone: server.zone || \"Unknown\",\n            user: getUser(server) // User management\n        });\n    });\n\n    return servers;\n}\n\n// Function to extract the public IP (IPv4 prioritized, otherwise IPv6)\nfunction getPublicIPs(server) {\n    let ipv4 = null;\n    let ipv6 = null;\n\n    // Case for Compute instances (public_ips is an array)\n    if (server.public_ips && Array.isArray(se...

Output:
This workflow may encounter rate limiting issues when processing large batches of data.

**Common Rate Limit Errors**:
- HTTP 429 Too Many Requests
- HTTP 503 Service Unavailable
- API-specific rate limit messages

**Root Cause**: The workflow makes too many API requests in a short time period without delays.

**Solutions**:

1. **Add Wait Nodes**: Insert a Wait node between API calls
```json
{
  "parameters": {"amount": 1, "unit": "seconds"},
  "name": "Rate Limit Delay",
  "type": "n8n-nodes-base.wait"
}
```

2. **Enable Retry on Fail**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 5000
```

3. **Use Batch Processing**: Split items into smaller batches with delays

4. **Implement Exponential Backoff**: Increase wait times with each retry

**Best Practice**: Always check API documentation for rate limits and implement appropriate throttling.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Timeout Configuration

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "rJNvM4vU6SLUeC1d",
  "meta": {
    "instanceId": "workflow-2cb1da93",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.657777",
    "updatedAt": "2025-09-29T07:07:54.657794",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Sync Youtube Video Urls with Google Sheets",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "f1cd1374-2214-41c1-af32-9e31e72aab88",
      "name": "Split Out",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        1720,
        0
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "items"
      },
      "typeVersion": 1,
      "notes": "This splitOut node performs automated tasks as part of the workflow."
    },
    {
      "id": "e59d5ac8-5386-4fa4-a18c-39cd84779eae",
      "name": "Manual Trigger (When Clicking 'Test workflow'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        1100,
        0
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "46897f6d-5e64-4a85-92b5-d8e596d02702",
      "name": "Get Youtube Channel Ids from Google Sheet",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1300,
        0
      ],
      "parameters": {
        "options": {},
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": 1592454760,
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Sheet3"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1xoCVr_mlwn4jFcnJENtrU-_K5nkIytZ8qBXzxMq55n4",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Youtube Videos Com...

Output:
This workflow may experience timeout issues with long-running API requests.

**Symptoms**:
- Execution hangs indefinitely
- Connection timeout errors
- ETIMEDOUT or ESOCKETTIMEDOUT errors

**Root Cause**: No timeout configured for HTTP requests, or external services are slow.

**Solutions**:

1. **Set Appropriate Timeouts**:
```json
"options": {
  "timeout": 30000  // 30 seconds
}
```

2. **Add Error Handling**:
- Use Error Trigger node to catch timeout errors
- Implement fallback logic for failed requests

3. **Use Async Patterns**:
- For long operations, use webhook callbacks
- Implement polling patterns instead of waiting

4. **Configure Node Settings**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 2000,
"continueOnFail": true
```

**Best Practice**: Set reasonable timeouts (10-30 seconds) and always have error handling for external API calls.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Syntax Error

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "0GCQ1fO3d5MBdKmi",
  "meta": {
    "instanceId": "workflow-88d0d516",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.707424",
    "updatedAt": "2025-09-29T07:07:54.707440",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "template-demo-chatgpt-image-1-with-drive-and-sheet copy",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "7d78d4e3-cbb3-4f32-82d9-73c9d7f6c892",
      "name": "When clicking 'Test workflow'",
      "type": "n8n-nodes-base.manualTrigger",
      "disabled": true,
      "position": [
        -480,
        -245
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "b32b61bb-c837-4697-9742-a1bb2854b628",
      "name": "HTTP Request",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -260,
        -120
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "method": "POST",
        "options": {},
        "sendBody": true,
        "authentication": "{{ $credentials.predefinedCredentialType }}",
        "bodyParameters": {
          "parameters": [
            {
              "name": "model",
              "value": "gpt-image-1"
            },
            {
              "name": "prompt",
              "value": "={{ $json.chatInput }}"
            },
            {
              "name": "output_format",
              "value": "jpeg"
            },
            {
              "name": "quality",
              "value": "low"
            },
            {
              "name": "output_compression",
              "value": "={{parseInt('80')}}"
            },
            {
              "name": "size",
              "value": "1024x1024"
            },
            {
...

Output: The JSON is invalid because it is missing a closing brace '}' at the end of the file. Add the missing '}' to close the workflow object.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Empty Input Handling

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "vssVsRO0FW6InbaY",
  "meta": {
    "instanceId": "workflow-db839ba9",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.724930",
    "updatedAt": "2025-09-29T07:07:54.724950",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Translate",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "7e55613e-c304-47cb-a017-2d912014ea8e",
      "name": "Split Out",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        1180,
        140
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "txt"
      },
      "typeVersion": 1,
      "notes": "This splitOut node performs automated tasks as part of the workflow."
    },
    {
      "id": "1ab3e545-e7a1-4b3d-a190-d38cb55ebf96",
      "name": "Google Translate",
      "type": "n8n-nodes-base.googleTranslate",
      "position": [
        1620,
        140
      ],
      "parameters": {
        "text": "={{ JSON.stringify($json.parts.secondPart) }}",
        "translateTo": "={{ $json.language }}"
      },
      "credentials": {
        "googleTranslateOAuth2Api": {
          "id": "ssWzCSWk0cvCXZtz",
          "name": "Google Translate account"
        }
      },
      "typeVersion": 2,
      "notes": "This googleTranslate node performs automated tasks as part of the workflow."
    },
    {
      "id": "07de7be3-5477-4e6c-b709-f632a3d5f162",
      "name": "Aggregate",
      "type": "n8n-nodes-base.aggregate",
      "position": [
        520,
        340
      ],
      "parameters": {
        "options": {},
        "aggregate": "aggregateAllItemData"
      },
      "typeVersion": 1,
      "notes": "This aggregate node performs automated tasks as part of the workflow."
    },
    {
      "id": "cbe5892e-3661-42fb-a850-1e0448a53e0a",
      "name": "Edit Fields",
      ...

Output:
This workflow may fail when receiving empty or null input data.

**Common Error Messages**:
- "Cannot read property 'x' of undefined"
- "No items to process"
- "Input data is empty"

**Root Cause**: The workflow doesn't handle cases where:
- Trigger receives no data
- Previous node returns empty array
- API returns null or empty response

**Solutions**:

1. **Add IF Node for Empty Check**:
```json
{
  "parameters": {
    "conditions": {
      "number": [{
        "value1": "={{ $json.length }}",
        "operation": "larger",
        "value2": 0
      }]
    }
  },
  "name": "Check Not Empty",
  "type": "n8n-nodes-base.if"
}
```

2. **Use Default Values**:
```javascript
{{ $json.field ?? "default_value" }}
{{ $json.items || [] }}
```

3. **Add Set Node with Defaults**:
- Create a Set node that provides default values
- Place it early in the workflow

4. **Implement No Match Output**:
- Many nodes have "No Match" outputs
- Use these to handle empty cases gracefully

**Best Practice**: Always validate input data and provide sensible defaults for optional fields.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Rate Limiting Risk

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "wDD4XugmHIvx3KMT",
  "meta": {
    "instanceId": "workflow-5620e689",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.744051",
    "updatedAt": "2025-09-29T07:07:54.744072",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Synchronize your Google Sheets with Postgres",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "44171bad-84b6-49f8-b538-fb0c2d52db43",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        900,
        360
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours"
            }
          ]
        }
      },
      "typeVersion": 1.1,
      "notes": "This scheduleTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "1d1558cc-523b-4985-81e2-da49e3d0f4b7",
      "name": "Compare Datasets",
      "type": "n8n-nodes-base.compareDatasets",
      "position": [
        1820,
        380
      ],
      "parameters": {
        "options": {},
        "resolve": "preferInput1",
        "mergeByFields": {
          "values": [
            {
              "field1": "first_name",
              "field2": "first_name"
            }
          ]
        }
      },
      "typeVersion": 2.3,
      "notes": "This compareDatasets node performs automated tasks as part of the workflow."
    },
    {
      "id": "b4442fd7-6817-40bb-a76e-851659c836ec",
      "name": "Split Out Relevant Fields",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        1460,
        240
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "first_name, last_name, town, age"
      },
      "typeVersion": 1,
      "notes": "This splitOut node performs automated tasks as part ...

Output:
This workflow may encounter rate limiting issues when processing large batches of data.

**Common Rate Limit Errors**:
- HTTP 429 Too Many Requests
- HTTP 503 Service Unavailable
- API-specific rate limit messages

**Root Cause**: The workflow makes too many API requests in a short time period without delays.

**Solutions**:

1. **Add Wait Nodes**: Insert a Wait node between API calls
```json
{
  "parameters": {"amount": 1, "unit": "seconds"},
  "name": "Rate Limit Delay",
  "type": "n8n-nodes-base.wait"
}
```

2. **Enable Retry on Fail**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 5000
```

3. **Use Batch Processing**: Split items into smaller batches with delays

4. **Implement Exponential Backoff**: Increase wait times with each retry

**Best Practice**: Always check API documentation for rate limits and implement appropriate throttling.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Data Type Mismatch

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "xaC6zL4bWBo14xyJ",
  "meta": {
    "instanceId": "workflow-3d3a83fb",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.777612",
    "updatedAt": "2025-09-29T07:07:54.777621",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "YouTube Comment Sentiment Analyzer",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "0bacd739-7ea3-42f5-8986-2f7d47628ee9",
      "name": "Split Out",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        820,
        -40
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "body.items"
      },
      "typeVersion": 1,
      "notes": "This splitOut node performs automated tasks as part of the workflow."
    },
    {
      "id": "236aaaab-6a9a-42d7-8645-980bf8c3254d",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1080,
        180
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "4d73v7kxEDNu3n25",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "c1eda3a6-9fbe-4150-8086-c3ffebaeb2e1",
      "name": "No Operation, do nothing",
      "type": "n8n-nodes-base.noOp",
      "position": [
        380,
        140
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This noOp node performs automated tasks as part of the workflow."
    },
    {
      "id": "d28f3fbf-6013-47af-ba84-3bdd9800fd3b",
      "name": "Get Video Urls from Google Sheet",
      "type": "n8n-nodes-base.google...

Output:
The node 'Format fields as required to save in google sheet' has a data type mismatch in its parameters.

**Issue**: A field expected a number but received a string value.

**Common Causes**:
1. Expression returns string instead of number
2. JSON parsing preserves string types for numeric values
3. Upstream node outputs different data types than expected

**Solutions**:

1. **Type Conversion in Expression**:
```javascript
// Convert string to number
{ parseInt($json.stringValue) }
{ parseFloat($json.decimalString) }
{ Number($json.value) }
```

2. **Use Code Node for Transformation**:
```javascript
return items.map(item => {
  item.json.numericField = Number(item.json.stringField);
  return item;
});
```

3. **Validate Data Types**:
- Use IF node to check types before processing
- Add error handling for invalid types

**Best Practice**: Always validate and transform data types explicitly when passing data between nodes.

Fix data type conversion in 'Format fields as required to save in google sheet'.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Empty Input Handling

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "id": "yOhH9SGiZgZTDUB4",
  "meta": {
    "instanceId": "workflow-061b9bf5",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.754492",
    "updatedAt": "2025-09-29T07:07:54.754540",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Clone n8n Workflows between Instances using n8n API",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "9e61140a-2b09-4dab-9a3b-3ca9781410cf",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -80,
        -260
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "50fdfb08-0ca1-4bb4-82a6-46b81ef6e3b2",
      "name": "GET - Workflows",
      "type": "n8n-nodes-base.n8n",
      "position": [
        180,
        -400
      ],
      "parameters": {
        "filters": {},
        "requestOptions": {}
      },
      "credentials": {
        "n8nApi": {
          "id": "HBPpxcTQs4aNcq4K",
          "name": "AK n8n original account"
        }
      },
      "typeVersion": 1,
      "notes": "This n8n node performs automated tasks as part of the workflow."
    },
    {
      "id": "7c1b5530-bc0c-41f8-ac5f-d53c42ea9c44",
      "name": "CREATE - Workflow",
      "type": "n8n-nodes-base.n8n",
      "position": [
        1200,
        -160
      ],
      "parameters": {
        "operation": "create",
        "requestOptions": {},
        "workflowObject": "={\n  \"name\": \"{{ $json.name }}\",\n  \"nodes\": {{ JSON.stringify($json[\"nodes\"]) }},\n  \"connections\": {{ JSON.stringify($json[\"connections\"] || {}) }}\n}\n"
      },
      "credentials": {
        "n8nApi": {
          "id": "0XLL6lxiSB0ORf5Z",
          "name": "Alex...

Output:
This workflow may fail when receiving empty or null input data.

**Common Error Messages**:
- "Cannot read property 'x' of undefined"
- "No items to process"
- "Input data is empty"

**Root Cause**: The workflow doesn't handle cases where:
- Trigger receives no data
- Previous node returns empty array
- API returns null or empty response

**Solutions**:

1. **Add IF Node for Empty Check**:
```json
{
  "parameters": {
    "conditions": {
      "number": [{
        "value1": "={{ $json.length }}",
        "operation": "larger",
        "value2": 0
      }]
    }
  },
  "name": "Check Not Empty",
  "type": "n8n-nodes-base.if"
}
```

2. **Use Default Values**:
```javascript
{{ $json.field ?? "default_value" }}
{{ $json.items || [] }}
```

3. **Add Set Node with Defaults**:
- Create a Set node that provides default values
- Place it early in the workflow

4. **Implement No Match Output**:
- Many nodes have "No Match" outputs
- Use these to handle empty cases gracefully

**Best Practice**: Always validate input data and provide sensible defaults for optional fields.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Syntax Error

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "name": "Ssetrigger Workflow",
  "nodes": [
    {
      "name": "SSE Trigger",
      "type": "n8n-nodes-base.sseTrigger",
      "position": [
        850,
        420
      ],
      "parameters": {
        "url": "{{ $env.WEBHOOK_URL }}"
      },
      "typeVersion": 1,
      "id": "ff31ca8a-9343-4296-8733-f2ffef1d5440",
      "notes": "This sseTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "error-440a1e39",
      "name": "Error Handler",
      "type": "n8n-nodes-base.stopAndError",
      "typeVersion": 1,
      "position": [
        1000,
        400
      ],
      "parameters": {
        "message": "Workflow execution error",
        "options": {}
      }
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1",
    "saveManualExecutions": true,
    "callerPolicy": "workflowsFromSameOwner",
    "errorWorkflow": null,
    "timezone": "UTC",
    "executionTimeout": 3600,
    "maxExecutions": 1000,
    "retryOnFail": true,
    "retryCount": 3,
    "retryDelay": 1000
  },
  "connections": {},
  "description": "Automated workflow: Ssetrigger Workflow. This workflow processes data and performs automated tasks.",
  "meta": {
    "instanceId": "workflow-35e5e6fa",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.784294",
    "updatedAt": "2025-09-29T07:07:54.784345",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "notes": "Excellent quality workflow: Ssetrigger Workflow. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."
}...

Output: The JSON is invalid because there is a trailing comma before a closing brace. Remove the extra comma.

Remove the trailing comma before the closing brace.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Empty Input Handling

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "meta": {
    "instanceId": "workflow-f85ff3ed",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.793373",
    "updatedAt": "2025-09-29T07:07:54.793386",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "cc514d10-89cc-4fcf-8c1f-b65395cd168a",
      "name": "On new invoice in Clockify",
      "type": "n8n-nodes-base.webhook",
      "position": [
        460,
        460
      ],
      "webhookId": "8af31ab8-e16a-4401-84b7-b246c65ba6a9",
      "parameters": {
        "path": "8af31ab8-e16a-4401-84b7-b246c65ba6a9",
        "options": {},
        "httpMethod": "POST"
      },
      "typeVersion": 1,
      "notes": "This webhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "ef9e5ce6-cb3e-4cb9-b33d-3b05a2ab589d",
      "name": "Create database page",
      "type": "n8n-nodes-base.notion",
      "position": [
        680,
        460
      ],
      "parameters": {
        "title": "={{ $json[\"body\"][\"number\"] }}",
        "resource": "databasePage",
        "databaseId": "ea3219a7-0a1a-4792-8dd6-ab450204dc06",
        "propertiesUi": {
          "propertyValues": [
            {
              "key": "YOUR_CREDENTIAL_HERE",
              "date": "={{ $json[\"body\"][\"issuedDate\"] }}"
            },
            {
              "key": "YOUR_CREDENTIAL_HERE",
              "date": "={{ $json[\"body\"][\"dueDate\"] }}"
            },
            {
              "key": "YOUR_CREDENTIAL_HERE",
              "numberValue": "={{ $json[\"body\"][\"amount\"] }}"
            }
          ]
        }
      },
      "credentials": {
        "notionApi": {
          "id": "{{ $credentials.notionApi.id }}",
          "name": "[UPDATE ME]"
        }
      },
      "typeVersion": 2,
      "notes": "This notion node performs automated tasks as part of the workflow."
    },
    {
      "id": ...

Output:
This workflow may fail when receiving empty or null input data.

**Common Error Messages**:
- "Cannot read property 'x' of undefined"
- "No items to process"
- "Input data is empty"

**Root Cause**: The workflow doesn't handle cases where:
- Trigger receives no data
- Previous node returns empty array
- API returns null or empty response

**Solutions**:

1. **Add IF Node for Empty Check**:
```json
{
  "parameters": {
    "conditions": {
      "number": [{
        "value1": "={{ $json.length }}",
        "operation": "larger",
        "value2": 0
      }]
    }
  },
  "name": "Check Not Empty",
  "type": "n8n-nodes-base.if"
}
```

2. **Use Default Values**:
```javascript
{{ $json.field ?? "default_value" }}
{{ $json.items || [] }}
```

3. **Add Set Node with Defaults**:
- Create a Set node that provides default values
- Place it early in the workflow

4. **Implement No Match Output**:
- Many nodes have "No Match" outputs
- Use these to handle empty cases gracefully

**Best Practice**: Always validate input data and provide sensible defaults for optional fields.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Timeout Configuration

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "meta": {
    "instanceId": "workflow-405b2924",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.788366",
    "updatedAt": "2025-09-29T07:07:54.788441",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "trigger-be33a8fa",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "id": "a8211c61-5ca5-4b0a-adce-b7954a387aba",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -540,
        900
      ],
      "parameters": {
        "width": 300,
        "height": 225,
        "content": "### The conversation history (last 20 messages) is stored in a buffer memory"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "639ef27d-3e6e-4d2b-804a-5d1c95d509fc",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -200,
        900
      ],
      "parameters": {
        "width": 340,
        "height": 225,
        "content": "### Tools which agent can use to accomplish the task"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "dcb7ade3-005c-44e3-a369-526baa5b8813",
      "name": "Sticky Note6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -500,
        500
      ],
      "parameters": {
        "width": 422,
        "height": 211,
        "content": "### Conversational agent will utilise available tools to answer the prompt. "
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id...

Output:
This workflow may experience timeout issues with long-running API requests.

**Symptoms**:
- Execution hangs indefinitely
- Connection timeout errors
- ETIMEDOUT or ESOCKETTIMEDOUT errors

**Root Cause**: No timeout configured for HTTP requests, or external services are slow.

**Solutions**:

1. **Set Appropriate Timeouts**:
```json
"options": {
  "timeout": 30000  // 30 seconds
}
```

2. **Add Error Handling**:
- Use Error Trigger node to catch timeout errors
- Implement fallback logic for failed requests

3. **Use Async Patterns**:
- For long operations, use webhook callbacks
- Implement polling patterns instead of waiting

4. **Configure Node Settings**:
```json
"retryOnFail": true,
"maxTries": 3,
"waitBetweenTries": 2000,
"continueOnFail": true
```

**Best Practice**: Set reasonable timeouts (10-30 seconds) and always have error handling for external API calls.


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: Missing Credentials

Please analyze the workflow JSON and explain:
1. What is wrong
2. Why it's causing problems
3. How to fix it

Workflow JSON:
{
  "meta": {
    "instanceId": "workflow-65f089a6",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:54.801346",
    "updatedAt": "2025-09-29T07:07:54.801395",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "trigger-3373165d",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "id": "27e5f0c0-ba88-4c28-b3be-99c973be15cb",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -480,
        -140
      ],
      "parameters": {
        "width": 1083,
        "height": 357,
        "content": "## This is an example of basic LLM Chain connected to an open-source model\n### The Chain is connected to the Mistral-7B-Instruct-v0.1 model, but you can change this\n\nPlease note the initial prompt that guides the model:\n```\nYou are a helpful assistant.\nPlease reply politely to the users.\nUse emojis and a text.\nQ: {{ $json.input }}\nA: \n```\n\nThis way the model \"knows\" that it needs to answer the question right after the `A: `.\n\nSince Hugging Face node is this is an inference mode, it does not support LangChain Agents at the moment. Please use [Ollama Chat Model]({{ $env.WEBHOOK_URL }} node for that"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "4756d5a8-7027-4942-b214-a5ff8310869a",
      "name": "When chat message received",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -200,
        280
      ],
      "webhookId": "bf2e38b8-566a-4aeb-8efe-28240f4a6991",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1,
      "notes": "This chatTrigger node performs automated tasks as part of...

Output:
The node 'Hugging Face Inference Model' (type: n8n-nodes-base.noOp) requires credentials but the 'credentials' configuration is missing.

**Root Cause**: The credentials object was not defined for this node.

**Solution**: Add the credentials configuration back to the node:
```json
"credentials": {
  "huggingFaceApi": {
    "id": "ARQ5mOhvBxi283Qk",
    "name": "HuggingFaceApi account"
  }
}
```

**Best Practice**: Always verify credentials are properly configured before deploying workflows. Use n8n's credential management system to store sensitive data securely.

Add credentials configuration to the 'Hugging Face Inference Model' node.