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Fix Cloudflare 521 Error: SSL Configuration Steps - How to Merge a Git Detached HEAD Back to Master-npm package.json Not Found & Permission Denied Fix

Updated 2026-07-28 08:49:00developer-tools
Fix Cloudflare 521 Error: SSL Configuration Steps - How to Merge a Git Detached HEAD Back to Master-npm package.json Not Found & Permission Denied 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.

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