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": "Switch",
      "type": "n8n-nodes-base.switch",
      "notes": "check bot commands",
      "position": [
        460,
        480
      ],
      "parameters": {
        "rules": {
          "rules": [
            {
              "value2": "/start"
            },
            {
              "output": 1,
              "value2": "/getweather"
            }
          ]
        },
        "value1": "={{$json[\"message\"][\"text\"]}}",
        "dataType": "string",
        "fallbackOutput": 3
      },
      "notesInFlow": true,
      "typeVersion": 1,
      "id": "node-9cedec81"
    },
    {
      "name": "msg_greet",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1820,
        300
      ],
      "parameters": {
        "text": "=Nice to meet you, {{$node[\"Telegram Trigger\"].json[\"message\"][\"from\"][\"first_name\"]}}.\nI am n8n-powered bot, I can send you a weather data for several European capitals. The data is an image generated in ggplot2 package of R programming language.\nType /getweather to begin.",
        "chatId": "={{$node[\"Telegram Trigger\"].json[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "{{ $credentials.telegramApi.id }}",
          "name": "n8n R test bot"
        }
      },
      "notesInFlow": true,
      "typeVersion": 1,
      "id": "node-cfc239d4"
    },
    {
      "name": "msg_wrongcommand",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1820,
        1160
      ],
      "parameters": {
        "text": "=Sorry, {{$node[\"Telegram Trigger\"].json[\"message\"][\"from\"][\"first_name\"]}}, your command was not recognized.\n/getweather - show image with the weather info.",
        "chatId": "={{$node[\"Telegram Trigger\"].json[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "{{ $credent...

Output:
The node 'R successful?' 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 'R successful?'.


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": "174",
  "name": "Send the Astronomy Picture of the day daily to a Telegram channel",
  "nodes": [
    {
      "name": "Cron",
      "type": "n8n-nodes-base.cron",
      "position": [
        450,
        300
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "hour": 20
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "772f815a-aaa8-4d09-8477-4192993686d6",
      "notes": "This cron node performs automated tasks as part of the workflow."
    },
    {
      "name": "NASA",
      "type": "n8n-nodes-base.nasa",
      "position": [
        650,
        300
      ],
      "parameters": {
        "download": false,
        "additionalFields": {}
      },
      "credentials": {
        "nasaApi": "NASA"
      },
      "typeVersion": 1,
      "id": "d5beae1d-e322-4972-9805-9f76fe54c70f",
      "notes": "This nasa node performs automated tasks as part of the workflow."
    },
    {
      "name": "Telegram",
      "type": "n8n-nodes-base.telegram",
      "position": [
        850,
        300
      ],
      "parameters": {
        "file": "={{$node[\"NASA\"].json[\"url\"]}}",
        "chatId": "-485365454",
        "operation": "sendPhoto",
        "additionalFields": {
          "caption": "={{$node[\"NASA\"].json[\"title\"]}}"
        }
      },
      "credentials": {
        "telegramApi": "Telegram n8n bot"
      },
      "typeVersion": 1,
      "id": "1546dd9a-d5bb-402a-9edc-5c6203165955",
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "id": "error-3ca5edcf",
      "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,
    "...

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:
{
  "id": "1ZfA8Do3j7lCB3zF",
  "meta": {
    "instanceId": "workflow-142f68e6",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.063200",
    "updatedAt": "2025-09-29T07:07:56.063216",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Blockchain DEX Screener Insights Agent",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "0e57bcd4-661d-40e3-a9d2-c66d5b84171c",
      "name": "When chat message received",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -280,
        340
      ],
      "webhookId": "e79527d8-89bd-4974-926c-2bcd8020cfa4",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1,
      "notes": "This chatTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "518565fc-1ee9-4c19-a300-a2c2bef2bb60",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        80,
        340
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "yUizd8t0sD5wMYVG",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "a52660f2-b13a-4dfb-9429-3f8e382fb4a6",
      "name": "Window Buffer Memory",
      "type": "n8n-nodes-base.noOp",
      "position": [
        240,
        340
      ],
      "parameters": {},
      "typeVersion": 1.3,
      "notes": "This memoryBufferWindow node performs automated tasks as part of the workflow."
    },
    {
      "id": "6714c6df-cc31-4758-956b-1db42ec3112f",
      "name": "Telegram Trigger",
 ...

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: 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": "Daily Journal Reminder",
  "nodes": [
    {
      "name": "Morning reminder",
      "type": "n8n-nodes-base.cron",
      "notes": "Trigger very morning",
      "position": [
        220,
        60
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "hour": 6
            }
          ]
        }
      },
      "notesInFlow": true,
      "typeVersion": 1,
      "alwaysOutputData": true,
      "id": "e479f9aa-d31d-4f8a-b2be-72510fe8f8c5"
    },
    {
      "name": "format reminder",
      "type": "n8n-nodes-base.functionItem",
      "position": [
        460,
        60
      ],
      "parameters": {
        "functionCode": "\n// Creates message with todays date\nconst today = new Date()\nconst yesterday = new Date(today)\n\nyesterday.setDate(yesterday.getDate() - 1)\nconst message = `What did you do: ${yesterday.toISOString().split('T')[0]}`\n\nreturn {message};"
      },
      "typeVersion": 1,
      "id": "f533aef5-8453-467d-b44d-302a6e9900c2",
      "notes": "This functionItem node performs automated tasks as part of the workflow."
    },
    {
      "name": "Send journal reminder",
      "type": "n8n-nodes-base.telegram",
      "position": [
        700,
        60
      ],
      "parameters": {
        "text": "={{$node[\"format reminder\"].json[\"message\"]}}",
        "chatId": "666884239",
        "additionalFields": {}
      },
      "credentials": {},
      "typeVersion": 1,
      "id": "0b25832b-6e76-41aa-bbb9-e1a3d2c8f034",
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "id": "error-06652537",
      "name": "Error Handler",
      "type": "n8n-nodes-base.stopAndError",
      "typeVersion": 1,
      "position": [
        1000,
        400
      ],
      "parameters": {
        "message": "Workflow execution error",
        "options": {}
      }
    }
  ],
  "active": true,
  "settings": {
    "executionOrder": "v1",
    "save...

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: 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-a61d4513",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.077627",
    "updatedAt": "2025-09-29T07:07:56.077642",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "f305e08e-d4b4-4ec6-be74-5edb7a3711e5",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        520,
        1279
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes"
            }
          ]
        }
      },
      "typeVersion": 1.1,
      "notes": "This scheduleTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "abac20ef-6319-40e3-8d30-806d7499a427",
      "name": "Send Telegram Message",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1360,
        1279
      ],
      "parameters": {
        "text": "={{ $json.data.replaceAll(/(Last Price: \\S+)$/gm,\"$1\\n\").slice(0,1000) }}",
        "chatId": "-1002138086614",
        "additionalFields": {}
      },
      "typeVersion": 1,
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "id": "d23c3277-62ca-4e1f-ad5d-48c07e0d6b94",
      "name": "Aggregate",
      "type": "n8n-nodes-base.aggregate",
      "notes": "Combine all items",
      "position": [
        1020,
        1279
      ],
      "parameters": {
        "options": {},
        "aggregate": "aggregateAllItemData"
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "id": "ba174e7f-4377-46dc-aca8-30adf81e5d61",
      "name": "Binance 24h Price Change",
      "type": "n8n-nodes-base.httpRequest",
      "notes": "Get data of changed price coins in last 24h",
      "position": [
        680,
        1279
      ],
      "parameters": {
        "url...

Output:
In node 'Split By 1K chars', the parameter 'jsCode' contains an expression that references undefined data.

**Faulty Expression**: `={{ $json.deeply.nested.undefined.path }}`
**Original Value**: `// Function to split the data into chunks of approximately 1000 characters
function splitDataIntoChunks(data) {
    const chunks = [];
    let currentChunk = "";

    data.forEach(item => {
        // Ensure that each item has a 'message' property
        if (item && item.message) {
            const message = item.message + "\n"; // Adding a newline for separation
            // Check if adding this message to the current chunk would exceed the 1000 characters limit
            if (currentChunk.length + message.length > 1000) {
                // If so, push the current chunk to the chunks array and start a new chunk
                chunks.push({ json: { data: currentChunk } });
                currentChunk = message;
            } else {
                // Otherwise, add the message to the current chunk
                currentChunk += message;
            }
        }
    });

    // Add the last chunk if it's not empty
    if (currentChunk) {
        chunks.push({ json: { data: currentChunk } });
    }

    return chunks;
}

// The input data is passed from the previous node
const inputData = items[0].json.data; // Accessing the 'data' property

// Process the data
const result = splitDataIntoChunks(inputData);

// Output the result
return result;
`

**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 'Split By 1K chars' parameter 'jsCode'.


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-18822e35",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.079577",
    "updatedAt": "2025-09-29T07:07:56.079595",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "d2a02884-a082-4d77-8558-b819fdfd8e09",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1305,
        -337
      ],
      "parameters": {
        "color": 7,
        "width": 629.040241216464,
        "height": 1416.261500302191,
        "content": "## Use **Config Bot** to setup your telegram details, like:\n1- Telegram Group ID (Don't forget add bot as admin)\n2- Telegram Channel ID (Don't forget add bot as admin)\n3- Your telegram Bot Token. (Generate through @BotFather)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## Setup data & filter & route to the correct Side.\n0- None of them - Soon - Wait V2\n1- Chat Type (`Private`)\n2- Chat Type (`Supergroup`)\n3- Chat Type (`Channel`)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## Remember:\n* Do not make your support group public. Every message sent in the group on various topics will be forwarded to the user's ticket.\n* There is no need to promote your broadcasting channel; the main reason for the channel is to organize and broadcast messages.\n* You can host a Redis database without any coding/server management skills through Coolify.io.\n* In the next version, I will add the **edit messages** feature, where the forwarded messages will be updated with the new edited one.\n\n## Why use this method?\n* If you deal with Telegram P2P, anyone can delete messages from both sides. If you run a business, then one of your clients may delete all messages, causing you to lose the history. This solution prevents people from deleting messages; every message forwarded into the support group will not b...

Output:
The node 'Wait1' has a data type mismatch in its parameters.

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

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

**Solutions**:

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

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

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

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


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: 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:
{
  "meta": {
    "instanceId": "workflow-3bf35499",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.088952",
    "updatedAt": "2025-09-29T07:07:56.089029",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "9cfeb58b-140f-4941-8442-4e33c671e325",
      "name": "No Operation, do nothing",
      "type": "n8n-nodes-base.noOp",
      "position": [
        440,
        840
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This noOp node performs automated tasks as part of the workflow."
    },
    {
      "id": "c4e7c596-4f2a-48e0-a932-ad40157c6282",
      "name": "Get interest name",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        100,
        660
      ],
      "webhookId": "3c85f114-6321-4e6d-9b5e-726e1493ee4e",
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "JR5rQqmm6CGac5CF",
          "name": "Sender Token"
        }
      },
      "typeVersion": 1,
      "notes": "This telegramTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "69d432d1-4ab1-4059-af5c-ba589dfe16bc",
      "name": "Check message contents",
      "type": "n8n-nodes-base.if",
      "position": [
        280,
        660
      ],
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{ $json.message.chat.id }}",
              "value2": -1001805495093,
              "operation": "equal"
            }
          ],
          "string": [
            {
              "value1": "={{ $json.message.text }}",
              "value2": "#interest",
              "operation": "startsWith"
            }
          ]
        }
      },
      "typeVersion": 1,
      "notes": "This if node perfo...

Output:
The workflow has a broken data flow. The node '082ddf0f-29ef-424a-a2a2-4bf9e260657f' is not connected to any subsequent nodes.

**Root Cause**: The connections object is missing the output connections for '082ddf0f-29ef-424a-a2a2-4bf9e260657f'.

**Impact**: Data from '082ddf0f-29ef-424a-a2a2-4bf9e260657f' 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 '082ddf0f-29ef-424a-a2a2-4bf9e260657f' 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": {
  "082ddf0f-29ef-424a-a2a2-4bf9e260657f": {
    "main": [[{"node": "NextNode", "type": "main", "index": 0}]]
  }
}
```

Reconnect '082ddf0f-29ef-424a-a2a2-4bf9e260657f' to the workflow.


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-541d8d45",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.178542",
    "updatedAt": "2025-09-29T07:07:56.178551",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "trigger-5d687ed0",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "id": "1c7b05e0-d82b-4851-a1ec-713093cdf489",
      "name": "Email Trigger (IMAP)",
      "type": "n8n-nodes-base.emailReadImap",
      "position": [
        540,
        660
      ],
      "parameters": {
        "format": "resolved",
        "options": {
          "forceReconnect": 60,
          "customEmailConfig": "[\"UNSEEN\"]"
        }
      },
      "typeVersion": 2,
      "notes": "This emailReadImap node performs automated tasks as part of the workflow."
    },
    {
      "id": "734424e6-d292-47d7-abb9-9630bdc00e35",
      "name": "Telegram",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1140,
        660
      ],
      "parameters": {
        "text": "=\ud83d\udce7 You've got mail!\n\nA new email has arrived from this address: {{ $node[\"Email Trigger (IMAP)\"].json[\"from\"][\"value\"][\"0\"][\"address\"] }}\n\n\ud83c\udf10 A secert HTML page has been created for it, where you can preview the message by following the link below \ud83d\udc47",
        "chatId": "<Your Chat ID Here>",
        "replyMarkup": "inlineKeyboard",
        "inlineKeyboard": {
          "rows": [
            {
              "row": {
                "buttons": [
                  {
                    "text": "={{ $('Github Gist').item.json.files[\"email.html\"].filename }}",
                    "additionalFields": {
                      "url": "{{ $env.BASE_URL }}...

Output:
The node 'Github Gist ' 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 'Github Gist '.


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-a1182171",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.177341",
    "updatedAt": "2025-09-29T07:07:56.177354",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "0f5aae97-3819-4704-ada2-abbcf14cea5f",
      "name": "AI Agent",
      "type": "n8n-nodes-base.noOp",
      "position": [
        20,
        380
      ],
      "parameters": {
        "text": "=Respond to this as a helpful assistant with emojis:  {{ $json.message.text }}",
        "options": {},
        "promptType": "define"
      },
      "typeVersion": 1.8,
      "notes": "This agent node performs automated tasks as part of the workflow."
    },
    {
      "id": "9f828f62-b587-43be-a47f-b2500e36bd9c",
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        -220,
        380
      ],
      "webhookId": "9bf61652-efa6-47b0-9f52-e0c3362d93e5",
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "XVBXGXSsaCjU2DOS",
          "name": "jimleuk_handoff_bot"
        }
      },
      "typeVersion": 1.1,
      "notes": "This telegramTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "abb92991-faee-4678-9038-7555f694acb1",
      "name": "Telegram",
      "type": "n8n-nodes-base.telegram",
      "position": [
        380,
        380
      ],
      "webhookId": "5babdcad-dabe-4c8e-8f84-6957e9f1aa15",
      "parameters": {
        "text": "={{ $json.output }}",
        "chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "XVBXGXSsaCjU2DOS",
          "name": "jimleuk_handoff_bot"
   ...

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": "8gccIjcuf3gvaoEr",
    "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.


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": "d7ba34e4-5f98-4a32-abe7-1ed1a3d30410",
      "name": "n8n Form Trigger",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        -800,
        840
      ],
      "webhookId": "ee00f236-5dad-49db-8f29-71b7bce37894",
      "parameters": {
        "path": "0bf8840f-1cc4-46a9-86af-a3fa8da80608",
        "options": {},
        "formTitle": "Contact us",
        "formFields": {
          "values": [
            {
              "fieldLabel": "What's your business email?"
            }
          ]
        },
        "formDescription": "We'll get back to you soon"
      },
      "typeVersion": 2,
      "notes": "This formTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "4e91bf1d-ff5b-4a5c-805e-08c930e8dbe9",
      "name": "Check if the email is valid",
      "type": "n8n-nodes-base.if",
      "position": [
        -380,
        840
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "54d84c8a-63ee-40ed-8fb2-301fff0194ba",
              "operator": {
                "name": "filter.operator.equals",
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.status }}",
              "rightValue": "valid"
            }
          ]
        }
      },
      "typeVersion": 2,
      "notes": "This if node performs automated tasks as part of the workflow."
    },
    {
      "id": "d27ef50a-a80d-4f27-bd94-0c354f71fad1",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -800,
        620
      ],
      "parameters": {
        "color": 5,
        "width": 545.9804141018467,
        "height": 183.48964745383324,
        "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.

Configure appropriate timeouts and error handling for HTTP requests.


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": "79849bb5-00a4-42e6-92c4-b06c7a20eb3e",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1580,
        340
      ],
      "parameters": {
        "model": "gpt-4-turbo-preview",
        "options": {
          "temperature": 0,
          "responseFormat": "json_object"
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "jazew1WAaSRrjcHp",
          "name": "OpenAI (workfloows@gmail.com)"
        }
      },
      "typeVersion": 1,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "85df0106-1f78-4412-8751-b84d417c8bf9",
      "name": "Convert education to HTML",
      "type": "n8n-nodes-base.code",
      "position": [
        2420,
        180
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function convertToHTML(list) {\n    let html = '';\n\n    list.forEach((education, index) => {\n        if (index > 0) {\n            html += '

'; // Add a new line if it's not the first item\n        }\n        html += `<b>Institution:</b> ${education.institution}<br />\n<b>Start year:</b> ${education.start_year}<br />\n<b>Degree:</b> ${education.degree}`;\n    });\n\n    return html;\n}\n\n// Assuming payload is already defined\nconst payload = $input.item.json.education;\n\nconst htmlOutput = convertToHTML(payload);\nreturn {\n    htmlOutput\n};"
      },
      "typeVersion": 2,
      "notes": "This code node performs automated tasks as part of the workflow."
    },
    {
      "id": "da4fc45d-712f-4171-b72a-66b74b4d8e05",
      "name": "Auto-fixing Output Parser",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1820,
        340
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This outputParserAutofixing node performs automated tasks as part of the workflow."
    },
    {
      "id": "225a7513-6fd4-4672-9b40-b10b...

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-32ab9c8d",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.168583",
    "updatedAt": "2025-09-29T07:07:56.168602",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "06fee9d0-e11e-44f1-949f-94abb476e493",
      "name": "Telegram",
      "type": "n8n-nodes-base.telegram",
      "position": [
        2100,
        1020
      ],
      "parameters": {
        "text": "={{  $json.message.join(\"\\n\") }}",
        "additionalFields": {}
      },
      "typeVersion": 1.1,
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "id": "cd51fa93-700e-4d86-a95b-6e65e7eaf616",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        1080,
        1020
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "daysInterval": 7
            }
          ]
        }
      },
      "typeVersion": 1.1,
      "notes": "This scheduleTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "720ca9d2-456f-49a0-85df-d38d1ebdf8e1",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        700,
        560
      ],
      "parameters": {
        "color": 5,
        "width": 453.88352097764886,
        "height": 160.98843357558172,
        "content": "### \ud83d\udc68\u200d\ud83c\udfa4 Setup\nYou will need:\n1. API token to your n8n instance (settings)\n2. Paste the API token in new n8n credentials\n3. Add telegram credentials as well"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "c168ca04-cd47-4d68-b719-7c9bb4e98920",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.st...

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-74164a85",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.206007",
    "updatedAt": "2025-09-29T07:07:56.206040",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "0c8b3a80-00e1-4d69-aac9-df41a464914a",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -246.5549467302767,
        -396.60463598587717
      ],
      "parameters": {
        "width": 2260.4312974923314,
        "height": 1739.059401992624,
        "content": ""
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "74ee38b2-2d8a-40bf-8dad-e20125f000f7",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -220,
        -340
      ],
      "parameters": {
        "color": 5,
        "width": 644.910132006371,
        "height": 655.8676264589326,
        "content": "={{ $json.deeply.nested.undefined.path }}"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "07a4dc07-0109-464e-a661-d5a4bb7b4a1c",
      "name": "Get message content1",
      "type": "n8n-nodes-base.gmail",
      "position": [
        640,
        460
      ],
      "parameters": {
        "simple": false,
        "options": {},
        "messageId": "={{ $json.id }}",
        "operation": "get"
      },
      "credentials": {
        "gmailOAuth2": {
          "id": "UJx4Tiq8WRtxWEIP",
          "name": "Gmail Omar"
        }
      },
      "typeVersion": 2.1,
      "notes": "This gmail node performs automated tasks as part of the workflow."
    },
    {
      "id": "283dcd8b-80a8-4e49-aba1-fabec333def3",
      "name": "OpenAI Chat Model3",
      "type": "n8n-no...

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

**Faulty Expression**: `={{ $json.deeply.nested.undefined.path }}`
**Original Value**: `### Project Benefit 🎧🌟

The goal of this awesome project is to turn those "CATEGORY_PROMOTIONS" emails into a super cool audio podcast! 🎙 This way, users can kick back and enjoy the promotional content without having to squint at their screens. By listening instead of reading, users can soak in the info in a fun and easy way.

This project rocks a workflow using n8n to automate tasks like a boss. Each node in the workflow plays its part in a smooth operation. Check out the main players:

1. **Gmail trigger1 Node**: Kicks off the action every minute for those "CATEGORY_PROMOTIONS" emails.

2. **Get message content1 Node**: Grabs the email content for some magic.

3. **Summarization Chain3 Node**: Whips up some sweet summaries using fancy chunking methods.

4. **Delete the unnecessary items Node**: Clears out the clutter from the email content.

5. **Text to Free TTS Node**: Turns the summary into speech using Free TTS magic.

6. **Convert from base64 to File Node**: Changes the audio into a file format.

7. **Merge Text with Audio Node**: Mixes the text and audio together for a cool combo.

8. **Aggregate in same cell Node**: Puts all the data together for more awesomeness.

10. **Send Message to Telegram Node**: Sends the final audio message with a caption to a special Telegram chat ID.

This workflow is like a well-oiled machine, with each step flowing seamlessly into the next. By automating these tasks, this project aims to make communication a breeze and bring joy to all involved! 🌈✨🚀
`

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

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

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

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


Instruction:
Debug this n8n workflow. It has the following issue:
Error Type: 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-c1d2258d",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.192476",
    "updatedAt": "2025-09-29T07:07:56.192491",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "ecb4bbc8-939a-4c6c-80b6-6f053d1d7745",
      "name": "Get the Image",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        1640,
        880
      ],
      "webhookId": "8404b32c-14bd-428e-88a6-560755f0f7ba",
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {
          "download": true
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "k3RE6o9brmFRFE9p",
          "name": "Telegram account"
        }
      },
      "typeVersion": 1.1,
      "notes": "This telegramTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "2fd523b7-5f89-4e53-9445-4336b51cad51",
      "name": "Send Content for the Analyzed image",
      "type": "n8n-nodes-base.telegram",
      "position": [
        2380,
        760
      ],
      "parameters": {
        "text": "={{ $json.content }}",
        "chatId": "={{ $('Get the Image').item.json.message.chat.id }}",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "k3RE6o9brmFRFE9p",
          "name": "Telegram account"
        }
      },
      "typeVersion": 1.1,
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "id": "b77fe84f-7651-42aa-aa40-f903b10c8fb1",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        380,
        360
      ],
      "parameters": {
        "width": 1235.4238259410247,
        "height": 1361.9843517631348,
        "content"...

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

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

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

**Solutions**:

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

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

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

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

Fix data type conversion in 'Sticky Note1'.


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

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

Workflow JSON:
{
  "meta": {
    "instanceId": "workflow-c763d02e",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.209663",
    "updatedAt": "2025-09-29T07:07:56.209677",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "95252956-51fb-49ee-924e-df01ea27b98d",
      "name": "When clicking \u2018Test workflow\u2019",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        60,
        340
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "bfaaee00-7545-404b-9526-fb77726e833e",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -940,
        120
      ],
      "parameters": {
        "color": 5,
        "width": 819.6790739248162,
        "height": 212.7465225154412,
        "content": "# Monitor Multiple Github Repos\nThis workflow allows you to monitor multiple Github repos simultaneously without polling due to use of Webhooks. It programmatically allows for adding and deleting of repos to your watchlist to make management convenient.\n\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "d1075f59-356e-47c4-9f85-c9067127d70f",
      "name": "Split Out",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        380,
        340
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "repos"
      },
      "typeVersion": 1,
      "notes": "This splitOut node performs automated tasks as part of the workflow."
    },
    {
      "id": "7d2a3226-e3b1-4cab-91e2-01f60c1184cb",
      "name": "Register Github Webhook",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        540,
        340
      ],
 ...

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:
{
  "meta": {
    "instanceId": "workflow-eca52130",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.224450",
    "updatedAt": "2025-09-29T07:07:56.224464",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "c70236ea-91ab-4e47-b6f6-63a70ede5d3c",
      "name": "Google Calendar",
      "type": "n8n-nodes-base.googleCalendarTool",
      "position": [
        1000,
        680
      ],
      "parameters": {
        "options": {
          "fields": "=items(summary, start(dateTime))",
          "timeMin": "={{$fromAI(\"date\",\"the date after which to fetch the messages in format YYYY-MM-DDTHH:MM:SS\")}}"
        },
        "calendar": {
          "__rl": true,
          "mode": "list",
          "value": "derekcheungsa@gmail.com",
          "cachedResultName": "derekcheungsa@gmail.com"
        },
        "operation": "getAll"
      },
      "credentials": {
        "googleCalendarOAuth2Api": {
          "id": "qx8JdPX4I5Xk9c46",
          "name": "Google Calendar account"
        }
      },
      "typeVersion": 1.1,
      "notes": "This googleCalendarTool node performs automated tasks as part of the workflow."
    },
    {
      "id": "d2287bea-de47-4180-8ee6-55d4ab1a89da",
      "name": "Window Buffer Memory",
      "type": "n8n-nodes-base.noOp",
      "position": [
        760,
        680
      ],
      "parameters": {
        "sessionKey": "YOUR_CREDENTIAL_HERE",
        "sessionIdType": "customKey"
      },
      "typeVersion": 1.2,
      "notes": "This memoryBufferWindow node performs automated tasks as part of the workflow."
    },
    {
      "id": "fa955731-86f6-4e4d-8604-dab5f52dee87",
      "name": "Get Email",
      "type": "n8n-nodes-base.gmailTool",
      "position": [
        880,
        680
      ],
      "parameters": {
        "filters": {
          "labelIds": [
            "INBOX",
           ...

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

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

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

**Solutions**:

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

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

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

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

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


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

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

Workflow JSON:
{
  "nodes": [
    {
      "id": "9320d08a-4868-4103-abdf-3f8f54a7a0a0"
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        0,
        0
      ],
      "webhookId": "9024e29e-9080-4cf5-9a6b-0d918468f195",
      "parameters": {
        "path": "ytube",
        "options": {},
        "httpMethod": "POST",
        "responseMode": "responseNode"
      },
      "typeVersion": 2,
      "notes": "This webhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "a5cc8922-8124-4269-9cfd-e891b29cc2b7",
      "name": "YouTube Transcript",
      "type": "n8n-nodes-youtube-transcription.youtubeTranscripter",
      "position": [
        800,
        0
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This youtubeTranscripter node performs automated tasks as part of the workflow."
    },
    {
      "id": "ff3c0fd1-36d8-4d64-b405-0600efd4d93b",
      "name": "Split Out",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        200,
        260
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "transcript"
      },
      "typeVersion": 1,
      "notes": "This splitOut node performs automated tasks as part of the workflow."
    },
    {
      "id": "423276e0-81bf-487a-bbdd-26e9b84fa755",
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1200,
        140
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1,
      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "27344649-8029-48ae-867b-7363d904fc59",
      "name": "Telegram",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1200,
        380
      ],
      "parameters": {
        "text": "={{ $json.title }}\n{{ $json.youtubeUrl }}",
        "additionalFields": {
          "parse_mode": "HTML",
          "appendAttribution...

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

Add the missing comma between object properties.


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

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

Workflow JSON:
{
  "nodes": [
    {
      "id": "6ea4e702-1af8-407b-b653-964a519db1c2",
      "name": "Basic LLM Chain",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1560,
        -360
      ],
      "parameters": {
        "text": "=You are a highly skilled news categorizer, specializing in indentifying interesting stuff from Hacker News front-page headlines.\n\nYou are provided with JSON data containing a list of dates and their corresponding top headlines from the Hacker News front page. Each headline will also include a URL linking to the original article or discussion. Importantly, the dates provided will be the SAME DAY across MULTIPLE YEARS (e.g., January 1st, 2023, January 1st, 2022, January 1st, 2021, etc.). You need to indentify key headlines and also analyze how the tech landscape has evolved over the years, as reflected in the headlines for this specific day.\n\nYour task is to indentify top 10-15 headlines from across the years from the given json data and return in Markdown formatted bullet points categorizing into themes and adding markdown hyperlinks to the source URL with Prefixing Year before the headline. Follow the Output Foramt Mentioned.\n\n**Input Format:**\n\n```json\n[\n  {\n    \"headlines\": [\n      \"Headline 1 Title [URL1]\",\n      \"Headline 2 Title [URL2]\",\n      \"Headline 3 Title [URL3]\",\n      ...\n    ]\n    \"date\": \"YYYY-MM-DD\",\n  },\n  {\n    \"headlines\": [\n      \"Headline 1 Title [URL1]\",\n      \"Headline 2 Title [URL2]\",\n      ...\n    ]\n    \"date\": \"YYYY-MM-DD\",\n  },\n  ...\n]\n```\n\n**Output Format In Markdown**\n\n```\n# HN Lookback <FullMonthName-DD> | <start YYYY> to <end YYYY> \n\n## [Theme 1]\n- YYYY [Headline 1](URL1)\n- YYYY [Headline 2](URL2)\n...\n\n## [Theme 2]\n- YYYY [Headline 1](URL1)\n- YYYY [Headline 2](URL2)\n...\n\n... \n\n## <this is optional>\n<if any interesing ternds emerge mention them in oneline>\n```\n\n**Here is the Json data for Hackernews Headlines across the years**\n...

Output:
The node 'CleanUpYearList' 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 'CleanUpYearList'.


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

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

Workflow JSON:
{
  "meta": {
    "instanceId": "workflow-9db9a141",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.229180",
    "updatedAt": "2025-09-29T07:07:56.229197",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "e6d85380-7cfa-4c6e-9b0f-d390ad0cbc67",
      "name": "HTTP Request1",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1400,
        -180
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}",
        "method": "=POST",
        "options": {
          "allowUnauthorizedCerts": true
        },
        "jsonBody": "={{ $json.output.details }}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "{{ $credentials.genericCredentialType }}",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "pJcVQegRQ5mpraoQ",
          "name": "Proxmox"
        }
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "9b497de8-0f01-40b1-8f8e-28fad1f758c4",
      "name": "Proxmox API Documentation",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -300,
        40
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "toolDescription": "This is Proxmox API Documentation ensure to read the details from here"
      },
      "typeVersion": 1.1,
      "notes": "This toolHttpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "e7ac54a9-37be-44b5-b58e-8b631892367e",
      "name": "Auto-fixing Output Parser",
      "type": "n8n-nodes-base.noOp",
      "position": [
        40,
        60
      ],
      "parameters": {
        "options": {
          "prompt": "Instructions:\n--------------\n{instructions}\n--------------\nCompleti...

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": "27",
  "name": "N8N Espa\u00f1ol - BOT",
  "nodes": [
    {
      "name": "Saludos-IF",
      "type": "n8n-nodes-base.if",
      "position": [
        450,
        450
      ],
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$node[\"Saludos-TelegramTrigger\"].json[\"message\"][\"new_chat_member\"][\"first_name\"]}}",
              "operation": "isEmpty"
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "1a90fee6-2e10-4e06-9a7a-8fc426babf09",
      "notes": "This if node performs automated tasks as part of the workflow."
    },
    {
      "name": "Saludos-IF1",
      "type": "n8n-nodes-base.if",
      "position": [
        490,
        630
      ],
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$node[\"Saludos-TelegramTrigger\"].json[\"message\"][\"left_chat_member\"][\"first_name\"]}}",
              "operation": "isEmpty"
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "78e1509d-06c4-4011-8d17-091681d48d2a",
      "notes": "This if node performs automated tasks as part of the workflow."
    },
    {
      "name": "S-Telegram",
      "type": "n8n-nodes-base.telegram",
      "position": [
        700,
        660
      ],
      "parameters": {
        "text": "=\u2716\ufe0f {{$node[\"Saludos-TelegramTrigger\"].json[\"message\"][\"left_chat_member\"][\"first_name\"]}} DEP. \ud83d\ude4f Que los Dioses te protejan.",
        "chatId": "=@comunidadn8n",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": "N8N Espa\u00f1ol - BOT"
      },
      "typeVersion": 1,
      "id": "01c4c691-48c0-48d5-aa00-14dc5a7783c0",
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "name": "Saludos-TelegramTrigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        260,
        560...

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:
{
  "nodes": [
    {
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        450,
        300
      ],
      "parameters": {
        "updates": [
          "message"
        ]
      },
      "credentials": {
        "telegramApi": ""
      },
      "typeVersion": 1,
      "id": "ccfab7dc-417e-4c94-8ee0-a4067f006aa9",
      "notes": "This telegramTrigger node performs automated tasks as part of the workflow."
    },
    {
      "name": "Return Sticker",
      "type": "n8n-nodes-base.telegram",
      "position": [
        850,
        200
      ],
      "parameters": {
        "text": "=Hi {{$node[\"Look for Sticker\"].data[\"message\"][\"from\"][\"first_name\"]}}!\nThe ID of the sticker is: {{$node[\"Look for Sticker\"].data[\"message\"][\"sticker\"][\"file_id\"]}}\nIt is part of the sticker-set: {{$node[\"Look for Sticker\"].data[\"message\"][\"sticker\"][\"set_name\"]}}",
        "chatId": "={{ $node.NonExistentNode.json.data }}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": ""
      },
      "typeVersion": 1,
      "id": "ae263e4b-b141-4e06-adce-3bbfcd4e1c51",
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "name": "Return no Sticker found",
      "type": "n8n-nodes-base.telegram",
      "position": [
        850,
        400
      ],
      "parameters": {
        "text": "=Hi {{$node[\"Look for Sticker\"].data[\"message\"][\"from\"][\"first_name\"]}}!\nYour message did not contain any sticker.",
        "chatId": "={{$node[\"Look for Sticker\"].data[\"message\"][\"chat\"][\"id\"]}}",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": "n8nTestBot"
      },
      "typeVersion": 1,
      "id": "a1d94bb5-7250-4afd-b942-682b02f2ebb0",
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "name": "Look for Sticker",
      "type": "n8n-...

Output:
In node 'Return Sticker', the parameter 'chatId' contains an expression that references undefined data.

**Faulty Expression**: `={{ $node.NonExistentNode.json.data }}`
**Original Value**: `={{$node["Look for Sticker"].data["message"]["chat"]["id"]}}`

**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 'Return Sticker' parameter 'chatId'.


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": "29P4X9mTSmplnjlJ",
  "meta": {
    "instanceId": "workflow-611542b8",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.343695",
    "updatedAt": "2025-09-29T07:07:56.343710",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "AI Phone Agent with RetellAI",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "55ef0229-0c33-4821-926d-9aabf4f6c812",
      "name": "Filter",
      "type": "n8n-nodes-base.filter",
      "position": [
        -100,
        120
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "or",
          "conditions": [
            {
              "id": "cce162e9-50f7-41dc-ae45-763a53a835af",
              "operator": {
                "name": "filter.operator.equals",
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.body.event }}",
              "rightValue": "call_ended"
            },
            {
              "id": "b0cec556-f565-4ade-90c9-1cfd74ed238b",
              "operator": {
                "name": "filter.operator.equals",
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.body.event }}",
              "rightValue": "call_analyzed"
            }
          ]
        }
      },
      "typeVersion": 2.2,
      "notes": "This filter node performs automated tasks as part of the workflow."
    },
    {
      "id": "1873c991-0ac0-40c4-b027-e48a9f2582c6",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        320...

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": "2LFEJVoSkeZMndiM",
  "meta": {
    "instanceId": "workflow-d6ef76b3",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.311538",
    "updatedAt": "2025-09-29T07:07:56.311550",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "YT AI News Playlist Creator/AI News Form Updater",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "a871e87e-dc02-4364-83b3-fe378ca60687",
      "name": "Read Channel Names",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        860,
        100
      ],
      "parameters": {
        "options": {},
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": 944489068,
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "AI News Channels"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1RNah4ZZsLxflQXvMq8AEn3BFpscOC2ygMZ1dPTlk-Kk",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Media Links"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "hVq7KRYH68lYmtEB",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5,
      "notes": "This googleSheets node performs automated tasks as part of the workflow."
    },
    {
      "id": "bcc83a11-e7e1-4bcb-a054-a2f0cc26c5f0",
      "name": "Get Videos",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1020,
        100
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "options": {},
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "part",
              "value": "snippet"
            },
            {
      ...

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-dba67c68",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.342809",
    "updatedAt": "2025-09-29T07:07:56.342822",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "1340d672-61c8-403e-89a7-f28e3afbc0e7",
      "name": "Window Buffer Memory",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1760,
        540
      ],
      "parameters": {
        "sessionKey": "YOUR_CREDENTIAL_HERE",
        "sessionIdType": "customKey"
      },
      "typeVersion": 1.3,
      "notes": "This memoryBufferWindow node performs automated tasks as part of the workflow."
    },
    {
      "id": "3c770b79-d6c5-4512-94fa-7719af6d0620",
      "name": "Get Chart",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1900,
        560
      ],
      "parameters": {
        "name": "getChart",
        "workflowId": {
          "__rl": true,
          "mode": "list",
          "value": "LCT4zHJr8LcjM6a7",
          "cachedResultName": "Trading Agent"
        },
        "description": "Call this tool to get an analysis of a requested stock. The URL that is output from this tool must be returned in markdown format. For example, ![](url)\n\nIt'll be obligatory to pass ticker and chart style. Both can be specified by user. If chart style is not specified by user, use \"candle\" as default. Possible options for style: [bar, candle, line, area, heikinAshi, hollowCandle, baseline, hiLo, column]",
        "workflowInputs": {
          "value": {
            "ticker": "={{ $fromAI(\"ticker\") }}",
            "chart_style": "={{ $fromAI(\"chart_style\") }}"
          },
          "schema": [
            {
              "id": "ticker",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "dis...

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:
{
  "meta": {
    "instanceId": "workflow-7e24124e",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.360093",
    "updatedAt": "2025-09-29T07:07:56.360110",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "c537229c-ffdf-4a4b-8cdd-1d88621e58a0",
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        -1060,
        2060
      ],
      "webhookId": "1b9f2217-7c53-4440-b62b-aafcf1e1d45d",
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "wJqs1eMdbjilZH1W",
          "name": "jimleuk_ai_survey_demo_bot"
        }
      },
      "typeVersion": 1.1,
      "notes": "This telegramTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "90426896-35d8-4449-8607-70e8485441ed",
      "name": "Send Next Question",
      "type": "n8n-nodes-base.telegram",
      "position": [
        2560,
        1900
      ],
      "webhookId": "4306c719-0b05-4986-8ea8-8bcda06e0ad1",
      "parameters": {
        "text": "={{ $('Get Survey State1').first().json.next_question_idx }}. {{ Object.values($('Get Columns1').first().json)[$('Get Survey State1').first().json.next_question_idx+1] }}",
        "chatId": "={{ $('Telegram Trigger').first().json.message.chat.id }}",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "wJqs1eMdbjilZH1W",
          "name": "jimleuk_ai_survey_demo_bot"
        }
      },
      "typeVersion": 1.2,
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "id": "614b6d06-7bca-4710-aebf-3a2a685ace09",
      "name": "Send Response",
      "type": "n8n-no...

Output:
In node 'Update Answer2', the parameter 'url' contains an expression that references undefined data.

**Faulty Expression**: `={{ $json["non_existent_field"] }}`
**Original Value**: `{{ $env.BASE_URL }}`

**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 'Update Answer2' parameter 'url'.


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

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

Workflow JSON:
{
  "meta": {
    "instanceId": "workflow-59e72a35",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.347168",
    "updatedAt": "2025-09-29T07:07:56.347183",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "bc49829b-45f2-4910-9c37-907271982f14",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -3200,
        660
      ],
      "parameters": {
        "width": 780,
        "height": 540,
        "content": "### 5. Do you need more details?\nFind a step-by-step guide in this tutorial\n![Guide]({{ $env.WEBHOOK_URL }}\n[\ud83c\udfa5 Watch My Tutorial]({{ $env.WEBHOOK_URL }}"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "91269b35-1dbc-46bd-b8b4-85227d324e6d",
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        -3020,
        220
      ],
      "webhookId": "97a26e94-6de8-4d44-9cda-631ad869119d",
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {}
      },
      "notesInFlow": true,
      "typeVersion": 1,
      "notes": "This telegramTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "5752611d-97b5-4d5b-b40d-a0ae05d7bd71",
      "name": "Check State",
      "type": "n8n-nodes-base.switch",
      "position": [
        -2600,
        1480
      ],
      "parameters": {
        "rules": {
          "values": [
            {
              "outputKey": "YOUR_CREDENTIAL_HERE",
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "com...

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: 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:
{
  "meta": {
    "instanceId": "workflow-ae6327f5",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.356493",
    "updatedAt": "2025-09-29T07:07:56.356510",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "bc49829b-45f2-4910-9c37-907271982f14",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        100,
        0
      ],
      "parameters": {
        "width": 780,
        "height": 540,
        "content": "### 4. Do you need more details?\nFind a step-by-step guide in this tutorial\n![Guide]({{ $env.WEBHOOK_URL }}\n[\ud83c\udfa5 Watch My Tutorial]({{ $env.WEBHOOK_URL }}"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "b5f24526-f1fc-43b0-82bf-887288838304",
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        -2560,
        540
      ],
      "webhookId": "09021985-57be-46c0-ac3d-c3a029ebf9e9",
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {}
      },
      "typeVersion": 1.1,
      "notes": "This telegramTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "8bb53ae0-515a-493d-9c1a-8a06362ada2e",
      "name": "If Node",
      "type": "n8n-nodes-base.if",
      "position": [
        -2340,
        540
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "a0be860f-a9ae-4a49-b478-dac25bd550e2",
              "operator": {
                "type": ...

Output:
The workflow has a broken data flow. The node '22752905-50fc-48ee-9b4c-f80e6184c17f' is not connected to any subsequent nodes.

**Root Cause**: The connections object is missing the output connections for '22752905-50fc-48ee-9b4c-f80e6184c17f'.

**Impact**: Data from '22752905-50fc-48ee-9b4c-f80e6184c17f' 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 '22752905-50fc-48ee-9b4c-f80e6184c17f' 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": {
  "22752905-50fc-48ee-9b4c-f80e6184c17f": {
    "main": [[{"node": "NextNode", "type": "main", "index": 0}]]
  }
}
```

Reconnect '22752905-50fc-48ee-9b4c-f80e6184c17f' to the workflow.


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

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

Workflow JSON:
{
  "meta": {
    "instanceId": "workflow-a273679b",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.509751",
    "updatedAt": "2025-09-29T07:07:56.509763",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "5d6a5a45-8aa8-4c34-aa10-5dd85f05de9d",
      "name": "Human Handoff using Send and Wait",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1580,
        1040
      ],
      "webhookId": "d2bbc82f-0509-470a-af4d-9d92cfed4d5f",
      "parameters": {
        "chatId": "=<human chat id>",
        "message": "=chatId: {{ $('Handoff Subworkflow').first().json.chatId }}\nsessionId: {{ $('Handoff Subworkflow').first().json.sessionId }}\nuser: {{ $('Handoff Subworkflow').first().json.username }} ({{ $('Handoff Subworkflow').item.json.userId }})\n\nSummary:\n{{ $('Handoff Subworkflow').item.json.summary }}\n\n---\nThis user has now been handed off to a human.\nClick the button to return user to bot.",
        "options": {},
        "operation": "sendAndWait",
        "responseType": "freeText"
      },
      "credentials": {
        "telegramApi": {
          "id": "XVBXGXSsaCjU2DOS",
          "name": "jimleuk_handoff_bot"
        }
      },
      "typeVersion": 1.2,
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "id": "5d2f73ff-b233-4456-b34d-d5a5454dabda",
      "name": "Set Interaction to Bot",
      "type": "n8n-nodes-base.redis",
      "position": [
        1780,
        1040
      ],
      "parameters": {
        "key": "YOUR_CREDENTIAL_HERE",
        "value": "bot",
        "keyType": "YOUR_CREDENTIAL_HERE",
        "operation": "set"
      },
      "credentials": {
        "redis": {
          "id": "zU4DA70qSDrZM1El",
          "name": "Redis account (localhost)"
        }
      },
      "typeVersion": 1,
      "notes": "This red...

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

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

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

**Solutions**:

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

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

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

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

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


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

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

Workflow JSON:
{
  "id": "33"
  "name": "n8n_check",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -520,
        250
      ],
      "parameters": {},
      "typeVersion": 1,
      "id": "cdbc4848-accf-4e9c-a305-970443fb39e9",
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "name": "RSS Feed Read",
      "type": "n8n-nodes-base.rssFeedRead",
      "position": [
        -320,
        260
      ],
      "parameters": {
        "url": "{{ $env.WEBHOOK_URL }}"
      },
      "typeVersion": 1,
      "id": "1fd64dbf-769a-4755-89c4-1ea2a6ec9909",
      "notes": "This rssFeedRead node performs automated tasks as part of the workflow."
    },
    {
      "name": "If Node",
      "type": "n8n-nodes-base.if",
      "position": [
        70,
        260
      ],
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$node[\"Filter by current day\"].json[\"data\"]}}",
              "value2": "/.+/",
              "operation": "regex"
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "030c09b3-715d-4aad-b148-e4489c61099c",
      "notes": "This if node performs automated tasks as part of the workflow."
    },
    {
      "name": "Cron",
      "type": "n8n-nodes-base.cron",
      "position": [
        -520,
        421
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "mode": "custom",
              "cronExpression": "0 0 10,14,18 * * *"
            }
          ]
        }
      },
      "typeVersion": 1,
      "id": "fd39a489-c751-469f-a62e-87f46f3c22a6",
      "notes": "This cron node performs automated tasks as part of the workflow."
    },
    {
      "name": "Filter by current day",
      "type": "n8n-nodes-base.function",
      "position": [
        -120,
        260
      ],
      "parameters": {
        "f...

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


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:
{
  "nodes": [
    {
      "id": "cab4467e-449e-4823-abe5-eb0368883e9c",
      "name": "When chat message received",
      "type": "n8n-nodes-base.noOp",
      "position": [
        740,
        180
      ],
      "webhookId": "231e8ee3-320f-47c7-8368-03965732d709",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1,
      "notes": "This chatTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "a32a646b-80f2-46a4-81c2-7e3b5a4a192c",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        940,
        140
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {
          "temperature": 0
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "1IOLtYX7aTspCAN8",
          "name": "OpenAI Pollup"
        }
      },
      "typeVersion": 1.2,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "3d934326-ad89-477f-9ab6-b97c04960597",
      "name": "Structured Output Parser",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1160,
        140
      ],
      "parameters": {
        "jsonSchemaExample": "\n[{\"name\": \"total Protein\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total lipids\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total carbohydrats\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total potassium\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total magnesium\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total sodium\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total kcal\",\n  \"quantity\": 248,\n  \"unit\": \"kcal\"\n},\n  {\n    \"reasoning\": \"this is my reasoning\"\n  }\n]"
      },
      "typeVersion": 1.2,
      "notes": "This ou...

Output:
The workflow has a broken data flow. The node 'f72d4182-26e2-4026-8097-7e4cef50bfed' is not connected to any subsequent nodes.

**Root Cause**: The connections object is missing the output connections for 'f72d4182-26e2-4026-8097-7e4cef50bfed'.

**Impact**: Data from 'f72d4182-26e2-4026-8097-7e4cef50bfed' 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 'f72d4182-26e2-4026-8097-7e4cef50bfed' 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": {
  "f72d4182-26e2-4026-8097-7e4cef50bfed": {
    "main": [[{"node": "NextNode", "type": "main", "index": 0}]]
  }
}
```

Reconnect 'f72d4182-26e2-4026-8097-7e4cef50bfed' to the workflow.


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-592e4783",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.500807",
    "updatedAt": "2025-09-29T07:07:56.500880",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "ca8b122d-1739-4377-ac99-e20dd2341342",
      "name": "Incoming Message",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        -1020,
        -320
      ],
      "webhookId": "75921955-c8ed-4ff6-8de2-e436c6bbe69d",
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "ayMpCvQ69GjrbPdP",
          "name": "gatu_pa_bot"
        }
      },
      "typeVersion": 1.2,
      "notes": "This telegramTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "68f7568b-e677-454b-a1e8-6c07a05e7570",
      "name": "MCP Server Trigger",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -860,
        240
      ],
      "webhookId": "562ffc95-cf8e-4d4d-8f5b-29b3ff22d5ee",
      "parameters": {
        "path": "562ffc95-cf8e-4d4d-8f5b-29b3ff22d5ee"
      },
      "typeVersion": 1,
      "notes": "This mcpTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "635b8ecc-0f50-477d-8e19-631f868e30f6",
      "name": "AI Agent",
      "type": "n8n-nodes-base.noOp",
      "position": [
        340,
        -320
      ],
      "parameters": {
        "options": {
          "systemMessage": "=You are a helpful assistant. Whenever askes to update a task, call the get_tasks tools first to retrieve the appropriate task ids then use that to update the tasks.\n\nToday's date: {{ $now }}\n"
        }
      },
      "typeVersion": 1.8,
      "notes": "This agent node performs automated tasks as part of the workflow."...

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.