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Fix Git 'index.lock' File Exists Error in IntelliJ - Resolving Cloudflare 521 Web Server Down Error-Git SSL Certificate Problem: Unable to Get Local Issuer Fix

Updated 2026-07-28 13:07:53macos-help
Fix Git 'index.lock' File Exists Error in IntelliJ - Resolving Cloudflare 521 Web Server Down Error-Git SSL Certificate Problem: Unable to Get Local Issuer Fix
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.