Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're seeing fatal: unable to access 'https://...' : Failed to connect ...:...

Fix 'docker network not found' After Prune
If you run docker network prune and later see errors like network not found

Resolve Python Package Version Mismatch Errors
You run pip install and see errors like “package A requires package B==1.0 but y...

Fix 'node-sass build failed python not found' Error
If you see node-sass build failed python not found when running npm install

Handling Python Memory Errors with Large File Chunking
You're running a Python script that reads a file, and it crashes with MemoryError

Git Fatal: Refusing to Merge Unrelated Histories – Workaround
You try to merge two Git branches and get this error:
fatal: refusing to merge unre...