Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You try to run a Git command and see fatal: Unable to create 'path/.git/index.lock'...

How to Run npm install Without sudo Permission Denied
When you run npm install -g or even a local install, you might see EACCES: per...

Fix Node Sass Build Failed: Sass Not Found
When running a Node.js project that uses Node Sass, you might encounter a build error like ...

Resolving Git Merge Conflicts After Cherry-Pick
Cherry-picking is a convenient way to apply specific commits from one branch to another. But when...

Fix pnpm ERR_PNPM_OUTDATED_LOCKFILE Lockfile Error
When running pnpm install or pnpm update, you may see:
ER...

Fix npm run build Failed After Git Pull
You pulled the latest code from Git, ran npm run build, and got errors. This is a co...