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How to Fix Git index.lock File Exists Error on Mac - Git Detached HEAD: How to Fix and Prevent-Git Push Rejected Not Fast Forward Guide

Updated 2026-07-28 13:14:10browser-issues
How to Fix Git index.lock File Exists Error on Mac - Git Detached HEAD: How to Fix and Prevent-Git Push Rejected Not Fast Forward Guide
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.