Fix Git 'refusing to merge unrelated histories' Error - Python Requests Timeout: How to Catch and Fix-Resolve Nginx 502 with Docker and PHP-FPM

Updated 2026-07-28 15:24:20backup-recovery
Fix Git 'refusing to merge unrelated histories' Error - Python Requests Timeout: How to Catch and Fix-Resolve Nginx 502 with Docker and PHP-FPM
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.