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Fix npm install Permission Denied Errors on package.json - Nginx 502 Bad Gateway: Upstream Connection Refused Fix-How to Fix Node Sass Build Failure After npm Cache Clean

Updated 2026-07-28 12:33:49office-tools
Fix npm install Permission Denied Errors on package.json - Nginx 502 Bad Gateway: Upstream Connection Refused Fix-How to Fix Node Sass Build Failure After npm Cache Clean
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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