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Fix npm run build Failed with PostCSS Error - How to Fix Git Push Rejected Non-Fast-Forward Error-How to Enable Real-Time Protection in Defender

Updated 2026-07-28 15:46:42developer-tools

Fix npm run build Failed with PostCSS Error - How to Fix Git Push Rejected Non-Fast-Forward Error-How to Enable Real-Time Protection in Defender

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.