Checklists for software errors, setup, and tool workflows.

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Latest checklists

You run npm run build and get an error like Error: Missing required environmen...

Fix 'Permission Denied' in VS Code Terminal on Mac
You're working in VS Code on a Mac, and when you try to run a command in the integrated termi...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist
If you see ! [rejected]        main -> main (non-fast-forward) when running

Fix Git 'index.lock' File Exists Error on Linux
When working with Git on Linux, you might see an error like:
fatal: Unable to creat...

Fixing pnpm install Exit Code 1 Errors
When pnpm install fails with exit code 1, it usually means a dependency installation...

Git Merge Conflict Resolution Tool Setup Guide
When you encounter a merge conflict in Git, the default conflict markers (<<<<<<...