"Workflow could not be activated. External hook 'workflow.activate' failed."

Questions
1

I’ve created a few workflows, and they’ve been working perfectly during testing. However, I’m running into an issue when trying to activate them I have several workflow but only two of them activated others will not activate even I created very simple one still problem exist. —I keep getting this error message:

“Workflow could not be activated. External hook ‘workflow.activate’ failed.”

“Workflow could not be activated. External hook ‘workflow.activate’ failed.”

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(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.)

Share the output returned by the last node

Information on your n8n setup

  • n8n version 1.79.3:
  • Database (default: SQLite):
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (n8n cloud, ):
  • Operating system:
2

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:
3

Are you using n8n Cloud?

4
  • n8n version 1.79.3: 1.79.3
  • Database (default: SQLite): SQLite
  • n8n EXECUTIONS_PROCESS setting (default: own, main): default
  • Running n8n via (n8n cloud, ): cloud
5

n8n Cloud Free Plan allows only 2 active workflows at a time.
Solution:
Upgrade your plan or deactivate one of the active workflows before enabling a new one.

6

I have upgraded already and paid for entire year!

7

Sometimes, n8n cloud does not properly release inactive workflows when upgrading. Try:

  • Go to the “Workflows” page in n8n Cloud.
  • Manually deactivate ALL workflows (including the two that are active).
  • Try activating the problematic workflow again.
  • If successful, re-activate the previous workflows one by one.
8

yes, you are correct I did deactivate one and other worked but why after upgrading still is the same? I’d really appreciate any advice or feedback—thanks so much in advance! :pray:

9

Try logging out and back in, then refreshing your browser cache (Ctrl + Shift + R on Windows/Linux, Cmd + Shift + R on Mac).

2 Likes
10

Yes, I did try just now logged out and logged in and refresh the browser but still same. I’m going to try with different browser now and see.
All fixed!! :slight_smile: Thank you so much Johnathan!!

1 Like
11

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