Zammad services not starting due to Telegram Module

Infos:

  • Used Zammad version: 6.4.
  • Used Zammad installation type: (source, package, docker-compose, …) package
  • Operating system: Ubuntu 24.04.1 LTS
  • Browser + version: any

Expected behavior:

  • Zammad services shuld be starting

Actual behavior:

  • While opening Zammad Website we get 502 Bad Gateway
  • Zammad services restart looping with error

Steps to reproduce the behavior:

  • Set up a new machine
  • importet backup from old machine
  • same behavior

I have the problem after updating to 6.4.
Did you already resolve the problem?