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Fix Git 'fatal: refusing to merge unrelated histories' on GitHub - Git Detached HEAD: Find and Restore Missing Changes-VS Code Python Permission Denied: Troubleshooting Guide

Updated 2026-07-28 10:37:37developer-tools
Fix Git 'fatal: refusing to merge unrelated histories' on GitHub - Git Detached HEAD: Find and Restore Missing Changes-VS Code Python Permission Denied: Troubleshooting 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.