Problem running workflow Cannot read properties of undefined (reading 'node')

[cherryTec]

Describe the problem/error/question

I start a new workflow, add a on chat message, and test chat, it show the error

What is the error message (if any)?

Problem running workflow
Cannot read properties of undefined (reading 'node')

Please share your workflow/screenshots/recording

(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
{
  "nodes": [
    {
      "parameters": {
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "typeVersion": 1.1,
      "position": [
        0,
        0
      ],
      "id": "7d1a4736-44a9-4005-b60d-a80e53f66eac",
      "name": "When chat message received",
      "webhookId": "fadbd68c-b166-4d4b-9880-58d53ea58c56"
    }
  ],
  "connections": {},
  "pinData": {},
  "meta": {
    "templateCredsSetupCompleted": true,
    "instanceId": "94a8d8aba08f8d2cc9d6925ce941f8364b1fffcf4be5d0c9c98bec802fe1f939"
  }
}

Share the output returned by the last node

Debug info

core

• n8nVersion: 1.74.3
• platform: docker (self-hosted)
• nodeJsVersion: 20.18.1
• database: sqlite
• executionMode: regular
• concurrency: -1
• license: community

storage

• success: all
• error: all
• progress: false
• manual: true
• binaryMode: memory

pruning

• enabled: true
• maxAge: 336 hours
• maxCount: 10000 executions

client

• userAgent: mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/126.0.0.0 safari/537.36
• isTouchDevice: false

Generated at: 2025-01-19T08:18:36.582Z}

[Joffcom]

Hey @cherryTec,

We have created an internal ticket to look into this which we will be tracking as "N8N-8160"

[cherryTec]