An Interesting Bug

Interesting is subjective, but I timed out my brain trying to think of a title. I've been trying to get into blogging more about technical stuff, and I've always enjoyed other people's writeups of troubleshooting sessions. So here's my attempt at one.

It does come with a bit of a puzzle in the form of a sample project, as I started off challenging my friends to try to figure it out before I wrote the explanation.