Describe the issue/error/question
Hi
I receive a 404 error just opening n8n. I Can send message but dont receive. At last i try to run with tunnel - The test to configure Webhook was sucessfull and when i send message too but cannot receive response.
Steps to reproduce:
- restart n8n
- activate the workflow using the toggle
- running execute workflow before test to send message
- Workflow stay spinning
- I tried to start standard and also with tunnel
What is the error message ? :
ERROR RESPONSE
ResponseError: The requested webhook “POST Cristal-test-0123456789” is not registered.
at ActiveWorkflowRunner.executeWebhook (C:\Users\mario\AppData\Local\Programs\n8n\resources\app\node_modules\n8n\dist\src\ActiveWorkflowRunner.js:129:23)
at async C:\Users\mario\AppData\Local\Programs\n8n\resources\app\node_modules\n8n\dist\src\WebhookServer.js:41:24 {
errorCode: 404,
httpStatusCode: 404,
hint: “The workflow must be active for a production URL to run successfully. You can activate the workflow using the toggle in the top-right of the editor. Note that unlike test URL calls, production URL calls aren’t shown on the canvas (only in the executions list)”
Please share the workflow

Share the output returned by the last node
It is the sucessfull webhook config
Information on your n8n setup
- n8n version: - 0.182.0
- Database you’re using (default: SQLite): - SQLite
- Running n8n with the execution process [own(default), main]:
- **Running n8n via: desktop