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": "trigger-47dcf425",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "name": "Data 1",
      "type": "n8n-nodes-base.function",
      "position": [
        602,
        350
      ],
      "parameters": {
        "functionCode": "items[0].json = {\n\"data\": [\n{\n\"pointer\": \"12345\",\n\"panel\": \"234234\",\n\"subject\": \"Blah Blah\",\n\"note\": \"\",\n\"interviewers\": [\n{\n\"id\": \"111222333\",\n\"name\": \"Bobby Johnson\",\n\"email\": \"bobbyj@example.com\"\n}\n],\n\"timezone\": \"America/Los_Angeles\",\n},\n{\n\"pointer\": \"98754\",\n\"panel\": \"3243234\",\n\"subject\": \"Yadda Yadda\",\n\"note\": \"\",\n\"interviewers\": [\n{\n\"id\": \"444555666\",\n\"name\": \"Billy Johnson\",\n\"email\": \"billyj@example.com\"\n}\n],\n\"timezone\": \"America/Los_Angeles\",\n},\n],\n\"hasNext\": false\n};\nreturn items;\n"
      },
      "typeVersion": 1,
      "id": "60f469d1-bf73-4346-9e57-5de9af65457f",
      "notes": "This function node performs automated tasks as part of the workflow."
    },
    {
      "name": "Data 2",
      "type": "n8n-nodes-base.function",
      "position": [
        602,
        550
      ],
      "parameters": {
        "functionCode": "items[0].json = [\n{\n\"name\": \"test\",\n\"fields\": {\n\"FirstName\": \"Bobby\",\n\"LastName\": \"Johnson\",\n\"JobTitleDescription\": \"Recruiter\",\n\"HomeDepartmentDescription\": \"Recruiting Team\",\n\"Photo\": [\n{\n\"x\": \"attPuc6gAIHUOHjsY\",\n\"url\": \"{{ $env.WEBHOOK_URL }}\",\n\"filename\": \"photo.jpg\",\n\"size\": 28956,\n\"type\": \"image/jpeg\"\n}\n],\n\"eid\": \"111222333\"\n},\n\"createdTime\": \"2019-09-23T04:06:48.000Z\"\n},\n{\n\"name\": \"test2\",\n\"fields\": {\n\"FirstName\": \"Billy\",\n\"LastName\": \"Johnson\",\n\"JobTitleDescription\": \"CEO\",\n\"HomeDepartmentDescription\": \"Boss Team\",\n\"Pho...

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: 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:
{
  "name": "Create a QuickBooks invoice on a new Onfleet Task creation",
  "nodes": [
    {
      "name": "Onfleet Trigger",
      "type": "n8n-nodes-base.onfleetTrigger",
      "position": [
        460,
        300
      ],
      "webhookId": "6d6a2bee-f83e-4ebd-a1d5-8708c34393dc",
      "parameters": {
        "triggerOn": "taskCreated",
        "additionalFields": {}
      },
      "typeVersion": 1,
      "id": "3425880e-2b7b-4d4a-bbe0-bc13ce868ef3",
      "notes": "This onfleetTrigger node performs automated tasks as part of the workflow."
    },
    {
      "name": "QuickBooks Online",
      "type": "n8n-nodes-base.quickbooks",
      "position": [
        680,
        300
      ],
      "parameters": {
        "Line": [],
        "resource": "invoice",
        "operation": "create",
        "additionalFields": {
          "Balance": 0,
          "TxnDate": "",
          "ShipAddr": "",
          "BillEmail": ""
        }
      },
      "typeVersion": 1,
      "id": "5a2bfc9c-a2a8-4782-ace0-ffa02af9f63e",
      "notes": "This quickbooks node performs automated tasks as part of the workflow."
    },
    {
      "id": "error-a1362a74",
      "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: Create a QuickBooks invoice on a new Onfleet Task creation. This workflow processes data and performs automated tasks.",
  "meta": {
    "instanceId": "workflow-5a9ef54d",
    "versionId": "1.0....

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:
{
  "nodes": [
    {
      "id": "trigger-2c6a3675",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "name": "QuickBooks2",
      "type": "n8n-nodes-base.quickbooks",
      "position": [
        870,
        300
      ],
      "parameters": {
        "email": "",
        "resource": "invoice",
        "invoiceId": "={{$json[\"Id\"]}}",
        "operation": "send"
      },
      "credentials": {
        "quickBooksOAuth2Api": "QuickBooks OAuth Credentials"
      },
      "typeVersion": 1,
      "id": "4b60a2f0-504a-4f54-8e58-32e2b4a20a3c",
      "notes": "This quickbooks node performs automated tasks as part of the workflow."
    },
    {
      "name": "QuickBooks1",
      "type": "n8n-nodes-base.quickbooks",
      "position": [
        670,
        300
      ],
      "parameters": {
        "Line": [
          {
            "Amount": 100,
            "itemId": "1",
            "DetailType": "SalesItemLineDetail",
            "Description": "Consulting service"
          }
        ],
        "resource": "invoice",
        "operation": "create",
        "CustomerRef": "={{$json[\"Id\"]}}",
        "additionalFields": {}
      },
      "credentials": {
        "quickBooksOAuth2Api": "QuickBooks OAuth Credentials"
      },
      "typeVersion": 1,
      "id": "99983bc2-1a08-4601-9f41-91d5ac7b05d1",
      "notes": "This quickbooks node performs automated tasks as part of the workflow."
    },
    {
      "name": "QuickBooks",
      "type": "n8n-nodes-base.quickbooks",
      "position": [
        470,
        300
      ],
      "parameters": {
        "operation": "create",
        "displayName": "Jack Ryan",
        "additionalFields": {
          "PrimaryEmailAddr": "jack@ryan.com"
        }
      },
      "credentials": {
        "quickBooksOAuth2Api": "QuickBooks OAuth Credentials"
      },
      "typeVersion": 1,
      "...

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:
{
  "nodes": [
    {
      "id": "trigger-8c1701c4",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "name": "Raindrop",
      "type": "n8n-nodes-base.raindrop",
      "position": [
        470,
        320
      ],
      "parameters": {
        "title": "n8n-docs",
        "operation": "create",
        "additionalFields": {}
      },
      "credentials": {
        "raindropOAuth2Api": "Raindrop OAuth Credentials"
      },
      "typeVersion": 1,
      "id": "fc9b1b07-1e98-4f67-b3b6-bed3208ce078",
      "notes": "This raindrop node performs automated tasks as part of the workflow."
    },
    {
      "name": "Raindrop1",
      "type": "n8n-nodes-base.raindrop",
      "position": [
        670,
        320
      ],
      "parameters": {
        "link": "{{ $env.WEBHOOK_URL }}",
        "resource": "bookmark",
        "operation": "create",
        "collectionId": "={{$json[\"_id\"]}}",
        "additionalFields": {
          "title": "Documentation"
        }
      },
      "credentials": {
        "raindropOAuth2Api": "Raindrop OAuth Credentials"
      },
      "typeVersion": 1,
      "id": "eb51c2b3-06d1-4730-8490-c6bad72a8f10",
      "notes": "This raindrop node performs automated tasks as part of the workflow."
    },
    {
      "name": "Raindrop2",
      "type": "n8n-nodes-base.raindrop",
      "position": [
        870,
        320
      ],
      "parameters": {
        "resource": "={{ $json.deeply.nested.undefined.path }}",
        "operation": "update",
        "bookmarkId": "={{$json[\"_id\"]}}",
        "updateFields": {
          "title": "n8n Documentation"
        }
      },
      "credentials": {
        "raindropOAuth2Api": "Raindrop OAuth Credentials"
      },
      "typeVersion": 1,
      "id": "f7de435f-0c88-4eb7-bde7-079bfa383c68",
      "notes": "This raindrop node performs automated tasks as part...

Output:
In node 'Raindrop2', the parameter 'resource' contains an expression that references undefined data.

**Faulty Expression**: `={{ $json.deeply.nested.undefined.path }}`
**Original Value**: `bookmark`

**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 'Raindrop2' parameter 'resource'.


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": 12,
  "name": "Create Onfleet tasks from Spreadsheets",
  "nodes": [
    {
      "id": "trigger-542018d4",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "name": "Onfleet",
      "type": "n8n-nodes-base.onfleet",
      "position": [
        900,
        280
      ],
      "parameters": {
        "operation": "create",
        "destination": {
          "destinationProperties": {
            "address": "={{$json[\"Address_Line1\"]}}, {{$json[\"Address_Line2\"]}}, {{$json[\"City/Town\"]}} {{$json[\"State/Province\"]}}, {{$json[\"Country\"]}}, {{$json[\"Postal_Code\"]}}",
            "unparsed": true,
            "addressNotes": "=",
            "addressApartment": "={{$json[\"Address_Line2\"]}}"
          }
        },
        "additionalFields": {
          "notes": "={{$json[\"Task_Details\"]}}",
          "recipient": {
            "recipientProperties": {
              "recipientName": "={{$json[\"Recipient_Name\"]}}",
              "recipientNotes": "={{$json[\"Recipient_Notes\"]}}",
              "recipientPhone": "=+1{{$json[\"Recipient_Phone\"]}}"
            }
          }
        }
      },
      "credentials": {
        "onfleetApi": {
          "id": "{{ $credentials.onfleetApi.id }}",
          "name": "Onfleet API Key"
        }
      },
      "typeVersion": 1,
      "id": "8d5ecc2f-3011-40ee-a308-596ca39140af",
      "notes": "This onfleet node performs automated tasks as part of the workflow."
    },
    {
      "name": "Read Binary File",
      "type": "n8n-nodes-base.readBinaryFile",
      "position": [
        500,
        280
      ],
      "parameters": {
        "filePath": "=/Users/jamesli/Downloads/Onfleet Import Google Sheet.xlsx"
      },
      "typeVersion": 1,
      "id": "de10e413-1106-495c-ab2d-58d4e7c06b68",
      "notes": "This readBinaryFile 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: 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:
{
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -240,
        180
      ],
      "parameters": {},
      "typeVersion": 1,
      "id": "659318a9-7a36-4f34-93f6-94d60c54d375",
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "name": "Read Binary File",
      "type": "n8n-nodes-base.readBinaryFile",
      "position": [
        -60,
        180
      ],
      "parameters": {
        "filePath": "/username/n8n_spreadsheet.csv"
      },
      "typeVersion": 1,
      "id": "5bb73938-ab96-4321-8e71-410f1f6f68f4",
      "notes": "This readBinaryFile node performs automated tasks as part of the workflow."
    },
    {
      "name": "Spreadsheet File1",
      "type": "n8n-nodes-base.spreadsheetFile",
      "position": [
        120,
        180
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1,
      "id": "b4bb42c8-72e6-4cc8-923d-4f22af732b1d",
      "notes": "This spreadsheetFile node performs automated tasks as part of the workflow."
    },
    {
      "name": "Move Binary Data",
      "type": "n8n-nodes-base.moveBinaryData",
      "position": [
        300,
        180
      ],
      "parameters": {
        "mode": "jsonToBinary",
        "options": {}
      },
      "typeVersion": 1,
      "id": "4b63170e-ade6-43e8-894a-6c8eb9698580",
      "notes": "This moveBinaryData node performs automated tasks as part of the workflow."
    },
    {
      "name": "Write Binary File",
      "type": "n8n-nodes-base.writeBinaryFile",
      "position": [
        480,
        180
      ],
      "parameters": {
        "fileName": "/username/n8n_spreadsheet.json"
      },
      "typeVersion": 1,
      "id": "c69fda9c-f6a6-4041-ae9e-68b612286b61",
      "notes": "This writeBinaryFile node performs automated tasks as part of the workflow."
    },
    {
      "id": "error-70b660f0",
      "name": "Error Handler",...

Output:
In node 'Error Handler', the parameter 'message' contains an expression that references undefined data.

**Faulty Expression**: `={{ $env.UNDEFINED_ENV_VAR }}`
**Original Value**: `Workflow execution error`

**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 'Error Handler' parameter 'message'.


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": 1,
  "name": "My workflow",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        320,
        300
      ],
      "parameters": {},
      "typeVersion": 1,
      "id": "9cea6c37-968a-4d14-b1a4-568c76f57b6a",
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "name": "Send Email",
      "type": "n8n-nodes-base.emailSend",
      "position": [
        1520,
        300
      ],
      "parameters": {
        "options": {
          "allowUnauthorizedCerts": true
        },
        "subject": "Certificate For Course",
        "toEmail": "={{$node[\"SplitInBatches\"].json[\"email\"]}}",
        "fromEmail": "bhavabhuthi@riseup.net",
        "attachments": "data"
      },
      "credentials": {
        "smtp": {
          "id": "{{ $credentials.smtp.id }}",
          "name": "SMTP account"
        }
      },
      "typeVersion": 1,
      "id": "0f04229d-627a-4578-bc87-51a88d1a6793",
      "notes": "This emailSend node performs automated tasks as part of the workflow."
    },
    {
      "name": "Read Binary File",
      "type": "n8n-nodes-base.readBinaryFile",
      "position": [
        560,
        300
      ],
      "parameters": {
        "filePath": "/home/shashikanth/Documents/Cert-Gen-Test/data.csv",
        "dataPropertyName": "csv"
      },
      "typeVersion": 1,
      "alwaysOutputData": false,
      "id": "d8bab283-7cfc-4171-9ca4-34ded995f26e",
      "notes": "This readBinaryFile node performs automated tasks as part of the workflow."
    },
    {
      "name": "Spreadsheet File",
      "type": "n8n-nodes-base.spreadsheetFile",
      "position": [
        840,
        300
      ],
      "parameters": {
        "options": {
          "headerRow": true
        },
        "binaryPropertyName": "csv"
      },
      "typeVersion": 1,
      "id": "0223eee7-67fb-445d-ace1-6dab5f7d893c",
      "notes": "This spreadsheetFile n...

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: 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:
{
  "nodes": [
    {
      "id": "trigger-67d82f67",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "name": "Read Binary File",
      "type": "n8n-nodes-base.readBinaryFile",
      "position": [
        450,
        650
      ],
      "parameters": {
        "filePath": "spreadsheet.xls"
      },
      "typeVersion": 1,
      "id": "d0c97447-6890-4304-89a4-e04420cba1ce",
      "notes": "This readBinaryFile node performs automated tasks as part of the workflow."
    },
    {
      "name": "Spreadsheet File1",
      "type": "n8n-nodes-base.spreadsheetFile",
      "position": [
        600,
        650
      ],
      "parameters": {},
      "typeVersion": 1,
      "id": "68c6ce6a-ed48-4009-95d3-34217d674e5c",
      "notes": "This spreadsheetFile node performs automated tasks as part of the workflow."
    },
    {
      "name": "Insert Rows1",
      "type": "n8n-nodes-base.postgres",
      "position": [
        750,
        650
      ],
      "parameters": {
        "table": "product",
        "columns": "name,ean"
      },
      "credentials": {
        "postgres": "postgres"
      },
      "typeVersion": 1,
      "id": "103ac1ab-c52a-4d44-be1f-6d987aa0a69c",
      "notes": "This postgres node performs automated tasks as part of the workflow."
    },
    {
      "id": "error-a152b20a",
      "name": "Error Handler",
      "type": "n8n-nodes-base.stopAndError",
      "typeVersion": 1,
      "position": [
        1000,
        400
      ],
      "parameters": {
        "message": "Workflow execution error",
        "options": {}
      }
    },
    {
      "parameters": {
        "url": "https://api.example.com/data",
        "method": "GET",
        "options": {}
      },
      "name": "HTTP Request",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        450,
        300
      ]
    }
  ],
  "connections"...

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" "2",
  "name": "SIGNL4 Alert",
  "nodes": [
    {
      "name": "Cron",
      "type": "n8n-nodes-base.cron",
      "position": [
        350,
        500
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "mode": "everyHour"
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "6d16121a-270e-497b-b8eb-ebd84aa0b880",
      "notes": "This cron node performs automated tasks as part of the workflow."
    },
    {
      "name": "Write Binary File",
      "type": "n8n-nodes-base.writeBinaryFile",
      "position": [
        880,
        500
      ],
      "parameters": {
        "fileName": "alert-data.json"
      },
      "typeVersion": 1,
      "id": "312ac354-8e65-4119-9c90-c740278a92ec",
      "notes": "This writeBinaryFile node performs automated tasks as part of the workflow."
    },
    {
      "name": "Read Binary File",
      "type": "n8n-nodes-base.readBinaryFile",
      "position": [
        450,
        270
      ],
      "parameters": {
        "filePath": "alert-data.json"
      },
      "typeVersion": 1,
      "id": "73a7e7f3-d488-4abd-ada9-64531e19f3ea",
      "notes": "This readBinaryFile node performs automated tasks as part of the workflow."
    },
    {
      "name": "Binary to JSON",
      "type": "n8n-nodes-base.moveBinaryData",
      "position": [
        630,
        270
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1,
      "id": "35166d43-5347-4fc7-86c0-d3f3cbf0bbce",
      "notes": "This moveBinaryData node performs automated tasks as part of the workflow."
    },
    {
      "name": "JSON to Binary",
      "type": "n8n-nodes-base.moveBinaryData",
      "position": [
        720,
        500
      ],
      "parameters": {
        "mode": "jsonToBinary",
        "options": {}
      },
      "typeVersion": 1,
      "id": "93a5ef4c-94c5-4675-9f1f-4b9300a30b79",
      "notes": "This moveBinaryData node performs automated ta...

Output: The JSON is missing a colon between a key and its value. JSON requires colons to separate keys from values.

Add the missing colon after the property name.


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

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": "zic2ZEHvxHR4UAYI",
  "meta": {
    "instanceId": "workflow-aec6d9e7",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.543323",
    "updatedAt": "2025-09-29T07:07:51.543332",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Import multiple CSV to GoogleSheet",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "cd5adfcc-5b92-4a75-8e78-c2c1218d946a",
      "name": "When clicking \"Execute Workflow\"",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        920,
        380
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "17305629-bb19-4b55-964e-689ab5f4d557",
      "name": "Read Binary Files",
      "type": "n8n-nodes-base.readBinaryFiles",
      "position": [
        1120,
        380
      ],
      "parameters": {
        "fileSelector": "=./.n8n/*.csv"
      },
      "typeVersion": 1,
      "notes": "This readBinaryFiles node performs automated tasks as part of the workflow."
    },
    {
      "id": "d3055f63-67fa-4dcd-886d-fe6f56fb7058",
      "name": "Split In Batches",
      "type": "n8n-nodes-base.splitInBatches",
      "position": [
        1320,
        380
      ],
      "parameters": {
        "options": {},
        "batchSize": 1
      },
      "typeVersion": 2,
      "notes": "This splitInBatches node performs automated tasks as part of the workflow."
    },
    {
      "id": "597e9b14-1a8c-4fbb-b5df-c965db1e0e16",
      "name": "Read CSV",
      "type": "n8n-nodes-base.spreadsheetFile",
      "position": [
        1520,
        360
      ],
      "parameters": {
        "options": {
          "rawData": true,
          "headerRow": true,
          "readAsString": true,
          "inc...

Output:
The workflow has a broken data flow. The node '17305629-bb19-4b55-964e-689ab5f4d557' is not connected to any subsequent nodes.

**Root Cause**: The connections object is missing the output connections for '17305629-bb19-4b55-964e-689ab5f4d557'.

**Impact**: Data from '17305629-bb19-4b55-964e-689ab5f4d557' will not flow to any downstream nodes, effectively stopping the workflow at this point.

**Solution**:
1. Open the workflow in the n8n editor
2. Draw a connection from '17305629-bb19-4b55-964e-689ab5f4d557' to the next node in the flow
3. Verify the connection appears in the connections object

**Programmatic Fix**: Add the connection back to the workflow JSON:
```json
"connections": {
  "17305629-bb19-4b55-964e-689ab5f4d557": {
    "main": [[{"node": "NextNode", "type": "main", "index": 0}]]
  }
}
```


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-f1a41b5d",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.570255",
    "updatedAt": "2025-09-29T07:07:51.570270",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "3b18d784-eded-4b74-ac44-b25565049e13",
      "name": "When clicking \"Execute Workflow\"",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        380,
        400
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "96eadd32-17c2-44b0-a00b-8e2ddcecaafa",
      "name": "Get Meraki Organizations",
      "type": "n8n-nodes-base.httpRequest",
      "notes": "This node uses an API call to Meraki using the URL {{ $env.API_BASE_URL }}\n\nthe Authorization header is what is used to authenticate. You also have to set it to accept json",
      "position": [
        620,
        320
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "options": {
          "redirect": {
            "redirect": {}
          }
        },
        "sendHeaders": true,
        "authentication": "{{ $credentials.genericCredentialType }}",
        "genericAuthType": "httpHeaderAuth",
        "headerParameters": {
          "parameters": [
            {
              "name": "Accept",
              "value": "application/json"
            }
          ]
        }
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "{{ $credentials.httpHeaderAuth.id }}",
          "name": "Header Auth account"
        }
      },
      "typeVersion": 4.1
    },
    {
      "id": "444071ea-a364-45a6-9430-0338d2752b18",
      "name": "Get Network IDs",
      "type": "n8n-nodes-base.httpRequest",
      "notes": "This node uses a URL with an expression in the middle to do an A...

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:
{
  "meta": {
    "instanceId": "workflow-9b6fd522",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.561539",
    "updatedAt": "2025-09-29T07:07:51.561549",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "3035a456-e783-4ac3-a6b7-1925a81672c1",
      "name": "Execute Workflow",
      "type": "n8n-nodes-base.executeWorkflow",
      "onError": "continueRegularOutput",
      "position": [
        1980,
        440
      ],
      "parameters": {
        "options": {},
        "workflowId": "4cnnwIeC9Sr5ngGZ"
      },
      "typeVersion": 1,
      "alwaysOutputData": true,
      "notes": "This executeWorkflow node performs automated tasks as part of the workflow."
    },
    {
      "id": "c2d4d0f3-5f84-41de-9a06-4cd5a19e3337",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        860,
        440
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "seconds",
              "secondsInterval": 5
            }
          ]
        }
      },
      "typeVersion": 1.2,
      "notes": "This scheduleTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "deb51138-4f68-4e8e-8118-d29bd4b79cd6",
      "name": "Get Status",
      "type": "n8n-nodes-base.redis",
      "position": [
        1080,
        440
      ],
      "parameters": {
        "key": "YOUR_CREDENTIAL_HERE",
        "options": {},
        "operation": "get",
        "propertyName": "=workflowStatus"
      },
      "credentials": {
        "redis": {
          "id": "Hvn2Vf7bGjmFgDr0",
          "name": "Redis account"
        }
      },
      "typeVersion": 1,
      "notes": "This redis node performs automated tasks as part of the workflow."
    },
    {
      "id": "73d4e23e-7860-4ac1-8f90-781817e2c98b",
      "...

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: 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": "0H2mo5k35e0nzMEE",
  "meta": {
    "instanceId": "workflow-5711b269",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.557261",
    "updatedAt": "2025-09-29T07:07:51.557275",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "New Ticket Alerts to Teams",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "80c29a2a-c005-4a19-a71e-3e862a4f9b49",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        -120,
        540
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "cronExpression",
              "expression": "*/1 8-16 * * 1-5"
            }
          ]
        }
      },
      "typeVersion": 1.1,
      "notes": "This scheduleTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "24b7e81c-51ea-4a0f-9684-e5aef53021ad",
      "name": "Add Filterable Parameter",
      "type": "n8n-nodes-base.code",
      "position": [
        460,
        460
      ],
      "parameters": {
        "jsCode": "for (const item of $input.all()) {\n  // Assuming 'id' is the field with the Connectwise Ticket ID\n  // Convert 'id' to a string to ensure it has quotes in the JSON output\n  item.json.id = item.json.id.toString();\n\n  // If 'filterOnThis' is another field you want to set with the id as a string\n  item.json.FilterOnThis = item.json.id;\n\n  // ... any other operations you want to perform on each item\n}\n\nreturn $input.all();"
      },
      "typeVersion": 2,
      "notes": "This code node performs automated tasks as part of the workflow."
    },
    {
      "id": "1ab5a549-34a2-4bed-9c4c-9c268bf04e0d",
      "name": "Query Database",
      "type": "n8n-nodes-base.redis",
      "position": [
        460,...

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:
{
  "id": "fGq0vUaD6JoqAbDa",
  "meta": {
    "instanceId": "workflow-32bdadf1",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.571561",
    "updatedAt": "2025-09-29T07:07:51.571598",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Query List of Sign-in IPs",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "9d54681d-7f8b-4996-b734-96626c9134dc",
      "name": "GET Events - Login Successful",
      "type": "n8n-nodes-base.httpRequest",
      "onError": "continueRegularOutput",
      "position": [
        -20,
        180
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}",
        "options": {},
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "api_key",
              "value": "={{ $json.API }}"
            }
          ]
        }
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "d789cb1c-0e8f-4389-85da-4a9b02d438d5",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -280,
        -220
      ],
      "parameters": {
        "color": 4,
        "width": 480,
        "height": 620,
        "content": "## Query the SaaS Alerts API\n**SaaS Alerts API Reference Guide** [Link]({{ $env.API_BASE_URL }}"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "67628c17-6520-45e9-b3af-a066b7759481",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        240,
        -140
      ],
      "parameters": {
        "color": 5,
        "width": 680,
        "height": 540,
        "content": "#...

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: 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": [
    {
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        450,
        150
      ],
      "parameters": {
        "options": {
          "responseHeaders": {
            "entries": [
              {
                "name": "Content-Type",
                "value": "text/html; charset=UTF-8"
              }
            ]
          }
        },
        "respondWith": "text",
        "responseBody": "<!doctype html>\n\n  \n    <meta charset=\"utf-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n\n    <link href=\"https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css\" rel=\"stylesheet\" integrity=\"sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3\" crossorigin=\"anonymous\">\n\n    <title>Hello, world!</title>\n  \n  \n
Hello, world!
\n\n    \n  \n\n"
      },
      "typeVersion": 1,
      "id": "node-fee10fbc"
    },
    {
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        250,
        150
      ],
      "webhookId": "db437850-0e90-4eb7-b383-f8438ea1bd66",
      "parameters": {
        "path": "my-form",
        "options": {},
        "responseMode": "responseNode"
      },
      "typeVersion": 1,
      "id": "node-cf53f643"
    },
    {
      "id": "error-2305423d",
      "name": "Error Handler",
      "type": "n8n-nodes-base.stopAndError",
      "typeVersion": 1,
      "position": [
        1000,
        400
      ],
      "parameters": {
        "message": "Workflow execution error",
        "options": {}
      }
    }
  ],
  "connections": {},
  "name": "Production Workflow",
  "settings": {
    "executi...

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: 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": [
    {
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        340,
        0
      ],
      "webhookId": "c1616754-4dec-4b00-a8b5-d1cb5f75bf11",
      "parameters": {
        "path": "c1616754-4dec-4b00-a8b5-d1cb5f75bf11",
        "options": {},
        "httpMethod": "POST",
        "responseMode": "responseNode"
      },
      "typeVersion": 1,
      "id": "node-18331163"
    },
    {
      "name": "Item Lists",
      "type": "n8n-nodes-base.itemLists",
      "position": [
        560,
        0
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "=body"
      },
      "typeVersion": 1,
      "id": "node-498f2025"
    },
    {
      "name": "Spreadsheet File",
      "type": "n8n-nodes-base.spreadsheetFile",
      "position": [
        780,
        0
      ],
      "parameters": {
        "options": {},
        "operation": "toFile",
        "fileFormat": "xlsx"
      },
      "typeVersion": 1,
      "id": "node-86626c64"
    },
    {
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1020,
        0
      ],
      "parameters": {
        "options": {
          "responseHeaders": {
            "entries": [
              {
                "name": "content-disposition",
                "value": "=attachment; filename=\"{{$node[\"Webhook\"].json[\"query\"][\"filename\"]? $node[\"Webhook\"].json[\"query\"][\"filename\"] : \"Export\"}}.xlsx\""
              }
            ]
          }
        },
        "respondWith": "binary"
      },
      "typeVersion": 1,
      "id": "node-4fd771ed"
    },
    {
      "id": "error-327b97b1",
      "name": "Error Handler",
      "type": "n8n-nodes-base.stopAndError",
      "typeVersion": 1,
      "position": [
        1000,
        400
      ],
      "parameters": {
        "message": "Workflow execution error",
        "options": {}
      }
    }
  ],
  "connections": {},
  "name": "Production...

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: 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:
{
  "meta": {
    "instanceId": "workflow-02343501",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.578366",
    "updatedAt": "2025-09-29T07:07:51.578380",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "f80aceed-b676-42aa-bf25-f7a44408b1bc",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        375,
        115
      ],
      "webhookId": "6f7b288e-1efe-4504-a6fd-660931327269",
      "parameters": {
        "path": "={{ $json.deeply.nested.undefined.path }}",
        "options": {},
        "responseMode": "responseNode"
      },
      "typeVersion": 1,
      "notes": "This webhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "3b9ec913-0bbe-4906-bf8e-da352b556655",
      "name": "Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        355,
        -25
      ],
      "parameters": {
        "width": 600,
        "height": 280,
        "content": "## Create a simple API endpoint\n\nIn this workflow we show how to create a simple API endpoint with `Webhook` and `Respond to Webhook` nodes\n\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "9c36dae5-0700-450c-9739-e9f3eff31bfe",
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        815,
        115
      ],
      "parameters": {
        "options": {},
        "respondWith": "text",
        "responseBody": "=The URL of the Google search query for the term \"{{$node[\"Webhook\"].json[\"query\"][\"first_name\"]}} {{$node[\"Webhook\"].json[\"query\"][\"last_name\"]}}\" is: {{$json[\"product\"]}}"
      },
      "typeVersion": 1,
      "notes": "This respondToWebhook node performs automated tasks as part of the wo...

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

**Faulty Expression**: `={{ $json.deeply.nested.undefined.path }}`
**Original Value**: `6f7b288e-1efe-4504-a6fd-660931327269`

**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 'Webhook' parameter 'path'.


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:
{
  "nodes": [
    {
      "id": "6abe578b-d503-4da5-9af8-f9977de71139",
      "name": "Vivid Pop Explosion",
      "type": "n8n-nodes-base.set",
      "notes": " ",
      "position": [
        380,
        980
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "9ec60f33-b940-40a6-9f8a-cb944b7065f1",
              "name": "stylePrompt",
              "type": "string",
              "value": "=rule of thirds, golden ratio, hyper-maximalist, vibrant neon, high-contrast, octane render, photorealism, 8k ::7 --ar 16:9 --s 1000\n\nDesign a fun, energetic scene filled with bold, neon colors, and playful shapes that pop off the screen. The image should evoke a sense of joy and movement, using fluid, organic forms and exaggerated, cartoon-like proportions. Focus on creating a lively atmosphere with contrasting, saturated tones and dynamic lighting. Use a mix of asymmetrical and balanced compositions to create a playful visual flow. Render in 8K with a hyper-maximalist approach using Octane Render for vibrant, high-gloss textures and photorealistic lighting effects. Include:"
            }
          ]
        },
        "includeOtherFields": true
      },
      "notesInFlow": true,
      "typeVersion": 3.4
    },
    {
      "id": "7de1ea42-3b18-4bfb-8ea4-a8b6c8d16763",
      "name": "AI Dystopia",
      "type": "n8n-nodes-base.set",
      "notes": " ",
      "position": [
        380,
        620
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "9ec60f33-b940-40a6-9f8a-cb944b7065f1",
              "name": "stylePrompt",
              "type": "string",
              "value": "=golden ratio, rule of thirds, cyberpunk, glitch art, octane render, cinematic realism, 8k ::7 --ar 16:9 --s 1000\n\nGenerate a futuristic, cyberpunk dystopia with metallic textures, digital glitches, and neon lights. Blend col...

Output:
In node 'Sticky Note4', the parameter 'content' contains an expression that references undefined data.

**Faulty Expression**: `={{ $json["non_existent_field"] }}`
**Original Value**: `### Serve form to user
Captures `Prompt to flux` and `Style` from user.`

**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 Note4' parameter 'content'.


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:
{
  "meta": {
    "instanceId": "workflow-bf161973",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.623507",
    "updatedAt": "2025-09-29T07:07:51.623529",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "b24c6e28-3c9e-4069-9e87-49b2efd47257",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1200,
        660
      ],
      "parameters": {
        "model": "gpt-4o-mini",
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "AzPPV759YPBxJj3o",
          "name": "Max's DevRel OpenAI account"
        }
      },
      "typeVersion": 1,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "c71a3e22-f0fd-4377-9be2-32438b282430",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        200,
        240
      ],
      "parameters": {
        "color": 7,
        "width": 636.2128494576581,
        "height": 494.9629292914819,
        "content": "![Siri Template Thumbnail]({{ $env.WEBHOOK_URL }}\n## \"Hey Siri, Ask Agent\" workflow\n**Made by [Max Tkacz]({{ $env.WEBHOOK_URL }} during the [30 Day AI Sprint]({{ $env.WEBHOOK_URL }}\n\nThis template integrates with Apple Shortcuts to trigger an n8n AI Agent via a \"Hey Siri\" command. The shortcut prompts for spoken input, transcribes it, and sends it to the workflow's `When Called by Apple Shortcut` Webhook trigger. The AI Agent processes the input and Siri dictates the response back to you.\n\nThe workflow also passes the current date and time to the `AI Agent`, which you can extend with additional context, like data from an App node, for more customized responses.\n\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of th...

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: 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:
{
  "meta": {
    "instanceId": "workflow-38e540b3",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.619852",
    "updatedAt": "2025-09-29T07:07:51.619883",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "af0765f4-75b5-445c-80d7-51b0aa180fe5",
      "name": "OpenAI Chat Model2",
      "type": "n8n-nodes-base.noOp",
      "position": [
        820,
        620
      ],
      "parameters": {
        "model": "gpt-4o",
        "options": {
          "temperature": 0,
          "responseFormat": "text"
        }
      },
      "typeVersion": 1,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "497c534e-e117-4592-b76f-bef424a7fd5a",
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1500,
        400
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1,
      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "5b358850-cbc3-4a8c-b2b8-12e3b7aa1e44",
      "name": "calendarAgent",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1060,
        620
      ],
      "parameters": {
        "name": "calendarAgent",
        "fields": {
          "values": [
            {
              "name": "sessionId",
              "stringValue": "={{ $json.sessionId }}"
            },
            {
              "name": "prompt",
              "stringValue": "={{ $json.chatInput }}"
            }
          ]
        },
        "workflowId": {
          "__rl": true,
          "mode": "list",
          "value": "yPCMz4zxB291oM31",
          "cachedResultName": "Google Calendar Agent"
        },
        "description": "Call this workflow to do handle every request regarding calendar management.",
  ...

Output:
The node 'OpenAI Chat Model1' 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 'OpenAI Chat Model1'.


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:
{
  "meta": {
    "instanceId": "workflow-291615d9",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.620676",
    "updatedAt": "2025-09-29T07:07:51.620687",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "b165115d-5505-4e03-bf41-c21320cb8b09",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        80,
        40
      ],
      "parameters": {
        "color": 7,
        "width": 681.8337349708484,
        "height": 843.1482165886073,
        "content": "## Workflow: Text automations using Apple Shortcuts\n\n**Overview**\n- This workflow answers user requests sent via Apple Shortcuts\n- Several Shortcuts call the same webhook, with a query and a type of query\n- Types of query are:\n  - translate to english\n  - translate to spanish\n  - correct grammar (without changing the actual content)\n  - make content shorter\n  - make content longer\n\n\n**How it works**\n- Select a text you are writing\n- Launch the shortcut\n- The text is sent to the webhook\n- Depending on the type of request, a different prompt is used\n- Each request is sent to an OpenAI node\n- The workflow responds to the request with the response from GPT\n- Shortcut replace the selected text with the new one\n\n**How to use it**\n- Activate the workflow\n- Download [this Shortcut template]({{ $env.WEBHOOK_URL }}\n- Install the shortcut\n- In step 2 of the shortcut, change the url of the Webhook\n- In Shortcut details, \"add Keyboard Shortcut\" with the key you want to use to launch the shortcut\n- Go to settings, advanced, check \"Allow running scripts\"\n- You are ready to use the shortcut. Select a text and hit the keyboard shortcut you just defined\n\n\n**Notes**\n- If you use rich formatting, you'll have to test multiple ways to replace characters in the output. For example, you might use `{{...

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:
{
  "meta": {
    "instanceId": "workflow-4353d3d6",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.670062",
    "updatedAt": "2025-09-29T07:07:51.670083",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "37bd6cc9-3cc4-442e-94c1-42972c0fce0d",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        80,
        0
      ],
      "webhookId": "060dbacf-0feb-43d4-b4ac-44011a7dd1a4",
      "parameters": {
        "path": "060dbacf-0feb-43d4-b4ac-44011a7dd1a4",
        "options": {},
        "responseMode": "responseNode"
      },
      "typeVersion": 2,
      "notes": "This webhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "3c05c0e4-7121-46d0-b35c-fc39cdd35ae7",
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        580,
        0
      ],
      "parameters": {
        "options": {},
        "respondWith": "binary"
      },
      "typeVersion": 1.1,
      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "3f5ba2a7-148d-4921-b2ca-9dee17a2b278",
      "name": "HTML to PDF",
      "type": "n8n-nodes-base.noOp",
      "position": [
        340,
        0
      ],
      "parameters": {
        "htmlInput": "
Hello CustomJS!
\n
CustomJS provides the missing toolset for your no-code projects
"
      },
      "credentials": {
        "customJsApi": {
          "id": "SZkqeEHVYyWhaGem",
          "name": "CustomJS account"
        }
      },
      "typeVersion": 1,
      "notes": "This html2Pdf node performs automated tasks as part of the workflow."
    }
  ],
  "pinData": {},
  "connections": {
    "37bd6cc9-3cc4-442e-94c1-42972c0fce0d": {
      "main": [
        [
          {
            "node": "error-handler-3...

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: 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": "6abe578b-d503-4da5-9af8-f9977de71139",
      "name": "Vivid Pop Explosion",
      "type": "n8n-nodes-base.set",
      "notes": " ",
      "position": [
        380,
        980
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "9ec60f33-b940-40a6-9f8a-cb944b7065f1",
              "name": "stylePrompt",
              "type": "string",
              "value": "=rule of thirds, golden ratio, hyper-maximalist, vibrant neon, high-contrast, octane render, photorealism, 8k ::7 --ar 16:9 --s 1000\n\nDesign a fun, energetic scene filled with bold, neon colors, and playful shapes that pop off the screen. The image should evoke a sense of joy and movement, using fluid, organic forms and exaggerated, cartoon-like proportions. Focus on creating a lively atmosphere with contrasting, saturated tones and dynamic lighting. Use a mix of asymmetrical and balanced compositions to create a playful visual flow. Render in 8K with a hyper-maximalist approach using Octane Render for vibrant, high-gloss textures and photorealistic lighting effects. Include:"
            }
          ]
        },
        "includeOtherFields": true
      },
      "notesInFlow": true,
      "typeVersion": 3.4
    },
    {
      "id": "7de1ea42-3b18-4bfb-8ea4-a8b6c8d16763",
      "name": "AI Dystopia",
      "type": "n8n-nodes-base.set",
      "notes": " ",
      "position": [
        380,
        620
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "9ec60f33-b940-40a6-9f8a-cb944b7065f1",
              "name": "stylePrompt",
              "type": "string",
              "value": "=golden ratio, rule of thirds, cyberpunk, glitch art, octane render, cinematic realism, 8k ::7 --ar 16:9 --s 1000\n\nGenerate a futuristic, cyberpunk dystopia with metallic textures, digital glitches, and neon lights. Blend col...

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: 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": "GWXjIqENWvx6OqvX",
  "meta": {
    "instanceId": "workflow-72712349",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.707025",
    "updatedAt": "2025-09-29T07:07:51.707079",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "TEMPLATE - Multi Methods API Endpoint",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "d5b5010f-97fb-4f80-871b-e9f04b3977a9",
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1220,
        -180
      ],
      "parameters": {
        "options": {},
        "respondWith": "allIncomingItems"
      },
      "typeVersion": 1.1,
      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "46711e2f-6cd1-4947-9452-7a1484ae562f",
      "name": "Respond to Webhook1",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1220,
        860
      ],
      "parameters": {
        "options": {
          "responseCode": 201
        },
        "respondWith": "allIncomingItems"
      },
      "typeVersion": 1.1,
      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "20489a88-39a5-4cf7-8c08-826e4e9a7f34",
      "name": "Respond to Webhook2",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1220,
        340
      ],
      "parameters": {
        "options": {
          "responseCode": 200
        },
        "respondWith": "allIncomingItems"
      },
      "typeVersion": 1.1,
      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "04320a5f-29fe-42b0-9e01-31035f23b9dc",
      "name": "Respond to Webhook4",
      "type": "n8n-nodes-base.r...

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

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

**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 'Get Single' 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:
{
  "meta": {
    "instanceId": "workflow-9dc836eb",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.744239",
    "updatedAt": "2025-09-29T07:07:51.744255",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "b24c6e28-3c9e-4069-9e87-49b2efd47257",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1200,
        660
      ],
      "parameters": {
        "model": "gpt-4o-mini",
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "AzPPV759YPBxJj3o",
          "name": "Max's DevRel OpenAI account"
        }
      },
      "typeVersion": 1,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "c71a3e22-f0fd-4377-9be2-32438b282430",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        200,
        240
      ],
      "parameters": {
        "color": 7,
        "width": 636.2128494576581,
        "height": 494.9629292914819,
        "content": "![Siri Template Thumbnail]({{ $env.WEBHOOK_URL }}\n## \"Hey Siri, Ask Agent\" workflow\n**Made by [Max Tkacz]({{ $env.WEBHOOK_URL }} during the [30 Day AI Sprint]({{ $env.WEBHOOK_URL }}\n\nThis template integrates with Apple Shortcuts to trigger an n8n AI Agent via a \"Hey Siri\" command. The shortcut prompts for spoken input, transcribes it, and sends it to the workflow's `When Called by Apple Shortcut` Webhook trigger. The AI Agent processes the input and Siri dictates the response back to you.\n\nThe workflow also passes the current date and time to the `AI Agent`, which you can extend with additional context, like data from an App node, for more customized responses.\n\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of th...

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:
{
  "meta": {
    "instanceId": "workflow-0ff5b719",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.756892",
    "updatedAt": "2025-09-29T07:07:51.756908",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "b165115d-5505-4e03-bf41-c21320cb8b09",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        80,
        40
      ],
      "parameters": {
        "color": 7,
        "width": 681.8337349708484,
        "height": 843.1482165886073,
        "content": "## Workflow: Text automations using Apple Shortcuts\n\n**Overview**\n- This workflow answers user requests sent via Apple Shortcuts\n- Several Shortcuts call the same webhook, with a query and a type of query\n- Types of query are:\n - translate to english\n - translate to spanish\n - correct grammar (without changing the actual content)\n - make content shorter\n - make content longer\n\n\n**How it works**\n- Select a text you are writing\n- Launch the shortcut\n- The text is sent to the webhook\n- Depending on the type of request, a different prompt is used\n- Each request is sent to an OpenAI node\n- The workflow responds to the request with the response from GPT\n- Shortcut replace the selected text with the new one\n\n**How to use it**\n- Activate the workflow\n- Download [this Shortcut template]({{ $env.WEBHOOK_URL }}\n- Install the shortcut\n- In step 2 of the shortcut, change the url of the Webhook\n- In Shortcut details, \"add Keyboard Shortcut\" with the key you want to use to launch the shortcut\n- Go to settings, advanced, check \"Allow running scripts\"\n- You are ready to use the shortcut. Select a text and hit the keyboard shortcut you just defined\n\n\n**Notes**\n- If you use rich formatting, you'll have to test multiple ways to replace characters in the output. For example, you might use `{{ $jso...

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-994760ea",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.762104",
    "updatedAt": "2025-09-29T07:07:51.762117",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "b165115d-5505-4e03-bf41-c21320cb8b09",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        80,
        40
      ],
      "parameters": {
        "color": 7,
        "width": 681.8337349708484,
        "height": 843.1482165886073,
        "content": "## Workflow: Text automations using Apple Shortcuts\n\n**Overview**\n- This workflow answers user requests sent via Apple Shortcuts\n- Several Shortcuts call the same webhook, with a query and a type of query\n- Types of query are:\n - translate to english\n - translate to spanish\n - correct grammar (without changing the actual content)\n - make content shorter\n - make content longer\n\n\n**How it works**\n- Select a text you are writing\n- Launch the shortcut\n- The text is sent to the webhook\n- Depending on the type of request, a different prompt is used\n- Each request is sent to an OpenAI node\n- The workflow responds to the request with the response from GPT\n- Shortcut replace the selected text with the new one\n\n**How to use it**\n- Activate the workflow\n- Download [this Shortcut template]({{ $env.WEBHOOK_URL }}\n- Install the shortcut\n- In step 2 of the shortcut, change the url of the Webhook\n- In Shortcut details, \"add Keyboard Shortcut\" with the key you want to use to launch the shortcut\n- Go to settings, advanced, check \"Allow running scripts\"\n- You are ready to use the shortcut. Select a text and hit the keyboard shortcut you just defined\n\n\n**Notes**\n- If you use rich formatting, you'll have to test multiple ways to replace characters in the output. For example, you might use `{{ $jso...

Output:
The node 'OpenAI - To Spanish' (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": "WqzqjezKh8VtxdqA",
    "name": "OpenAi account - Baptiste"
  }
}
```

**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 - To Spanish' 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": "pdgNdag49lwoTxUP",
  "meta": {
    "instanceId": "workflow-e6d22893",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.778526",
    "updatedAt": "2025-09-29T07:07:51.778538",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Track Working Time and Pauses",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "1ae951f1-acfa-4bd2-800e-22c7628e862d",
      "name": "Create new page",
      "type": "n8n-nodes-base.notion",
      "position": [
        1260,
        -120
      ],
      "parameters": {
        "title": "Tracked Time via n8n",
        "options": {
          "icon": "\ud83e\udd16"
        },
        "resource": "databasePage",
        "databaseId": {
          "__rl": true,
          "mode": "list",
          "value": "1117f2f5-baf9-8054-b33b-efb4d8a3c7ab",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Time Tracker"
        },
        "propertiesUi": {
          "propertyValues": [
            {
              "key": "YOUR_CREDENTIAL_HERE",
              "date": "={{ $now }}"
            }
          ]
        }
      },
      "credentials": {
        "notionApi": {
          "id": "03mmrqQX1rffebZp",
          "name": "Notion David"
        }
      },
      "typeVersion": 2.2,
      "notes": "This notion node performs automated tasks as part of the workflow."
    },
    {
      "id": "490d1893-3828-4df6-8c0a-0a1476fc8727",
      "name": "Update page with end date",
      "type": "n8n-nodes-base.notion",
      "position": [
        1560,
        780
      ],
      "parameters": {
        "pageId": {
          "__rl": true,
          "mode": "id",
          "value": "={{ $json.id }}"
        },
        "options": {},
        "resource": "databasePage",
        "operation": "update",
        "prope...

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: 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:
{
  "nodes": [
    {
      "name": "RSS Feed Read",
      "type": "n8n-nodes-base.rssFeedRead",
      "position": [
        420,
        -20
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}"
      },
      "typeVersion": 1,
      "id": "4a6d3143-34b5-4110-8a94-32c435f57c34",
      "notes": "This rssFeedRead node performs automated tasks as part of the workflow."
    },
    {
      "name": "SplitInBatches",
      "type": "n8n-nodes-base.splitInBatches",
      "position": [
        200,
        -20
      ],
      "parameters": {
        "options": {},
        "batchSize": 1
      },
      "typeVersion": 1,
      "id": "338f9b13-4261-49aa-90df-c4043e0c53fc",
      "notes": "This splitInBatches node performs automated tasks as part of the workflow."
    },
    {
      "name": "Cron",
      "type": "n8n-nodes-base.cron",
      "position": [
        -240,
        -20
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "mode": "everyX",
              "unit": "minutes",
              "value": 10
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "0b1e3879-2dbc-468b-991b-e12b734cde2b",
      "notes": "This cron node performs automated tasks as part of the workflow."
    },
    {
      "name": "only get new RSS",
      "type": "n8n-nodes-base.function",
      "position": [
        640,
        -20
      ],
      "parameters": {
        "functionCode": "const staticData = getWorkflowStaticData('global');\nconst newRSSIds = items.map(item => item.json[\"isoDate\"]);\nconst oldRSSIds = staticData.oldRSSIds; \n\nif (!oldRSSIds) {\n  staticData.oldRSSIds = newRSSIds;\n  return items;\n}\n\n\nconst actualNewRSSIds = newRSSIds.filter((id) => !oldRSSIds.includes(id));\nconst actualNewRSS = items.filter((data) => actualNewRSSIds.includes(data.json['isoDate']));\nstaticData.oldRSSIds = [...actualNewRSSIds, ...oldRSSIds];\n\nreturn actualNewRSS;\n"
      },
      "typeVersion": 1,
      ...

Output:
The node 'Telegram_M365' 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 'Telegram_M365'.


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": 89,
  "name": "Post RSS feed items from yesterday to Slack",
  "nodes": [
    {
      "name": "Build our message",
      "type": "n8n-nodes-base.function",
      "position": [
        1160,
        400
      ],
      "parameters": {
        "functionCode": "// Create our Slack message\n// This will output a list of RSS items in the following format\n// Title - Description\nlet message = \"*:new: Posts from yesterday :new:*\\n\\n\";\n\n// Loop the input items\nfor (item of items) {\n  message += \"*<\" + item.json.link + \"|\" + item.json.title + \">*\\n\" + item.json.contentSnippet + \"\\n\\n\"; \n}\n\n// Return our message\nreturn [{json: {message}}];"
      },
      "typeVersion": 1,
      "id": "02d94495-39a8-4e5b-b062-8fa23314984f",
      "notes": "This function node performs automated tasks as part of the workflow."
    },
    {
      "name": "Every Morning",
      "type": "n8n-nodes-base.cron",
      "position": [
        380,
        420
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "hour": 8
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "04f11124-a075-4b47-a7da-3436aa6b2f44",
      "notes": "This cron node performs automated tasks as part of the workflow."
    },
    {
      "name": "Get Yesterdays Date",
      "type": "n8n-nodes-base.dateTime",
      "position": [
        560,
        420
      ],
      "parameters": {
        "value": "={{Date()}}",
        "action": "calculate",
        "options": {},
        "duration": 1,
        "operation": "subtract"
      },
      "typeVersion": 1,
      "id": "e1e7f17b-4078-438a-b5c0-e131459c0e24",
      "notes": "This dateTime node performs automated tasks as part of the workflow."
    },
    {
      "name": "Get the RSS Feed",
      "type": "n8n-nodes-base.rssFeedRead",
      "position": [
        740,
        420
      ],
      "parameters": {
        "url": "{{ $env.WEBHOOK_URL }}"
      },
      "typeVersion...

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" 8,
  "name": "Get only new RSS with Photo",
  "nodes": [
    {
      "name": "Cron",
      "type": "n8n-nodes-base.cron",
      "position": [
        1050,
        920
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "mode": "everyX",
              "unit": "minutes",
              "value": 5
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "4c1290eb-be06-4618-aff2-dbbc34e1d0c7",
      "notes": "This cron node performs automated tasks as part of the workflow."
    },
    {
      "name": "RSS Feed Read",
      "type": "n8n-nodes-base.rssFeedRead",
      "position": [
        1220,
        920
      ],
      "parameters": {
        "url": "{{ $env.WEBHOOK_URL }}"
      },
      "executeOnce": true,
      "typeVersion": 1,
      "id": "2094b45d-54a1-4952-8c97-48b36c21b862",
      "notes": "This rssFeedRead node performs automated tasks as part of the workflow."
    },
    {
      "name": "Extract Image1",
      "type": "n8n-nodes-base.htmlExtract",
      "position": [
        1740,
        920
      ],
      "parameters": {
        "options": {},
        "dataPropertyName": "=content",
        "extractionValues": {
          "values": [
            {
              "key": "YOUR_CREDENTIAL_HERE",
              "attribute": "src",
              "cssSelector": "img",
              "returnValue": "attribute"
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "b6252170-f858-4d82-b139-69b9ceead313",
      "notes": "This htmlExtract node performs automated tasks as part of the workflow."
    },
    {
      "name": "Filter RSS Data",
      "type": "n8n-nodes-base.set",
      "position": [
        1390,
        920
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "Title",
              "value": "={{$node[\"RSS Feed Read\"].json[\"title\"]}}"
            },
            {
              "name": "Sub...

Output: The JSON is missing a colon between a key and its value. JSON requires colons to separate keys from values.


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": "8v4dynjkHSLVGJSG",
  "meta": {
    "instanceId": "workflow-40f9f218",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:51.844485",
    "updatedAt": "2025-09-29T07:07:51.844497",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Crypto News & Sentiment",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "e10ed4da-ab3e-4ff0-b489-a3ed9e88e042",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -1340,
        1520
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "typeVersion": 1.2,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "edb76989-766a-43e6-bf49-3896a1d257dd",
      "name": "Set Query",
      "type": "n8n-nodes-base.set",
      "position": [
        -780,
        1340
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "9128e9e7-d1b8-4e89-8422-849b8dd519d8",
              "name": "query",
              "type": "string",
              "value": "={{ $json.output }}"
            },
            {
              "id": "b6adc989-7d3c-4dbb-a659-603591cf1f58",
              "name": "sessionId",
              "type": "string",
              "value": "={{ $('Adds the sessionId').item.json.sessionId }}"
            }
          ]
        }
      },
      "typeVersion": 3.4,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "0ef0571a-d0c2-4f05-898e-1aed56b02d56",
      "name": "Crypto News & Sentiment Agent",
      "type": "n8n-nodes-base.noOp",
      "position": [...

Output:
The node 'OpenAI Chat 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": {
  "openAiApi": {
    "id": "yUizd8t0sD5wMYVG",
    "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 Model' node.