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Fix Cloudflare 521 Error: DNS Configuration Problem - Troubleshooting VSCode Container Permission Denied-Solving 'Fatal: Remote Origin Already Exists' in Git

Updated 2026-07-28 13:51:26developer-tools
Fix Cloudflare 521 Error: DNS Configuration Problem - Troubleshooting VSCode Container Permission Denied-Solving 'Fatal: Remote Origin Already Exists' in Git
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.

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