Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run docker compose up and see errors like Permission denied when a ...

If you see EACCES: permission denied or similar errors when running npm instal...

Fix pip install: Dependency Conflict and Permission Denied
When you run pip install and see messages about dependency conflicts or permission d...

Fixing Node Version Mismatch with package.json Engines
You run npm install or node app.js and see a warning or error about the...

Python Dependency Conflict Checklist: Diagnose & Fix
You're installing a package with pip, and suddenly you see a wall of red text: ERROR: C...

Fix pip Externally Managed Environment Error on Linux
If you're seeing error: externally-managed-environment when trying to pip ...