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Fix Cloudflare 521 Error: DNS Configuration Problem - Fix Detached HEAD in Git and Switch Branches-Fix 'git remote add origin already exists' Error

2026-07-28 13:10:59
Fix Cloudflare 521 Error: DNS Configuration Problem - Fix Detached HEAD in Git and Switch Branches-Fix 'git remote add origin already exists' Error

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.