What broke your CI/CD pipeline and how did you fix it?

We all have that one story. 😅
That moment where:

Pipeline was green ✅
You pushed one small change
Everything exploded 💥

For me it was forgetting to add environment variables in Jenkins — pipeline ran perfectly locally, failed completely in production. Classic.
I want to hear your stories:
🔴 What was the stupidest thing that broke your pipeline?
🟡 How long did it take you to find the bug?
🟢 How did you finally fix it?
Drop your war stories below 👇 — the more painful the better! 😄