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Fixing Node Sass Build Failures in package.json - How to Fix the Git index.lock File Exists Error-Git index.lock File Exists: Causes and Solutions

Updated 2026-07-28 16:33:13macos-help

Fixing Node Sass Build Failures in package.json - How to Fix the Git index.lock File Exists Error-Git index.lock File Exists: Causes and Solutions

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.