Bug: www redirect "bad gateway" error

[sovetski]

Describe the bug
I followed these intructions: https://coolify.io/docs/knowledge-base/proxy/traefik/custom-middlewares/redirects#www---non-www-1

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Follow the instructions
3. Try to go yourdomain.com
4. You will get "bad gateway"

Expected behavior
It should work

Additional context
Coolify version is: v4.1.1