Error 502 Bad Gateway (solved)

Infos:

  • Used Zammad version: 5.4.1
  • Used Zammad installation type: Package
  • Operating system: Ubuntu
  • Browser + version: Chrome

Expected behavior:

  • Showing login page

Actual behavior:

  • Error 502 Bad Gateway. Same problem after restoring from Zammad backup.

Steps to reproduce the behavior:

  • Try to open Zammad

Steps to solve the problem:

It took us a while to find the correct solution that was removing a stale PID following:

regards

Your version is extremely outdated.
It not just misses important bug fixes and security fixes, but also some neat new features.

You may want to upgrade asap.