V1.74.3 - Subflows executing but not completing

Describe the problem/error/question

I’ve workflow that has multiple subflows which take around 0.5 sec to 2 minutes to run and main workflow needs around 10 minutes too complete. This was running properly earlier. But with update to v1.74.3 & 1.75.2, its not working anymore.

When first subflow is called, all nodes in it are executed properly but it just keeps running forever… which means even main flow is struct at that node.

Only way to stop this is “Stop Execution” by visiting subflow.

I’ve faced this issue across cloud version, railway and digital ocean VPS after v1.74.3 and later.

How do I resolve this,

What is the error message (if any)?

No error messages.

Please share your workflow

Information on your n8n setup

instance information

Debug info

core

  • n8nVersion: 1.75.2
  • platform: npm
  • nodeJsVersion: 20.18.1
  • database: sqlite
  • executionMode: regular
  • concurrency: 5
  • license: community
  • consumerId: 00000000-0000-0000-0000-000000000000

storage

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

pruning

  • enabled: true
  • maxAge: 720 hours
  • maxCount: 25000 executions

client

  • userAgent: mozilla/5.0 (macintosh; intel mac os x 10_15_7) applewebkit/537.36 (khtml, like gecko) chrome/132.0.0.0 safari/537.36
  • isTouchDevice: false

Generated at: 2025-01-21T17:50:51.729Z

It looks like your topic is missing some important information. Could you provide the following if applicable.

  • n8n version:
  • Database (default: SQLite):
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (Docker, npm, n8n cloud, desktop app):
  • Operating system:

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