npm run build Failed: Troubleshooting Checklist
When npm run build fails, the error message can be cryptic. This checklist walks thr...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Node Sass Build Failure: Environment Variable Errors
When you run npm install or a build script and see an error like Node Sass doe...
Fix VS Code IntelliSense Not Working After Update
After a VS Code update, IntelliSense may stop working—no suggestions, missing completions, or slo...
Fix VS Code Git Auth Failed with Personal Access Token
If you're using a personal access token (PAT) for Git authentication in VS Code and seeing &#...
Fix Firefox Secure Connection Failed Due to Cache
You see a 'Secure Connection Failed' error in Firefox, often with messages like PR_CO...
Fix npm run build Failed with PostCSS Error
You run npm run build and see a PostCSS error. This often happens after updating pac...
Topic paths
Quick titles
How to Resolve Permission Denied in VS Code on Network DrivesWindows 10 Taskbar Icons Not Showing? Here's How to Fix ItDebugging Jest Tests in VS Code: Breakpoint TroubleshootingFix VS Code Breakpoint Not Hit in Express AppPython UnicodeDecodeError Windows: Common FixesMac Git Troubleshooting: index.lock File ExistsHow to Solve pip Externally Managed Environment ErrorResolve JavaScript Heap Out of Memory in Node Tests