Fix Docker 'network not found' Error for Custom Networks - Fix Git Push Rejected Non Fast Forward Branch Error-Ubuntu Docker Volume Permission Fix

Updated 2026-07-28 08:27:10office-tools

Fix Docker 'network not found' Error for Custom Networks - Fix Git Push Rejected Non Fast Forward Branch Error-Ubuntu Docker Volume Permission Fix

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.