Home / developer-tools / Fix 'git pull failed index.lock file exists' Error - VSCode Breakpoint Not Working in launch.json-How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte

Fix 'git pull failed index.lock file exists' Error - VSCode Breakpoint Not Working in launch.json-How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte

Updated 2026-07-28 12:56:48developer-tools

Fix 'git pull failed index.lock file exists' Error - VSCode Breakpoint Not Working in launch.json-How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte

Likely symptom

Likely cause

Safe rollback

Verification route

Repeat the original action, not only a simplified test case.
Restart the app or reload the service after configuration changes.