My day couldn't start in a worse day.

We are having a demo this week and I worked yesterday after hours to get the product ready. Tested everything and we were all set for the demo content.

Today we installed the new version with my fixes and nothing worked. Today's version should be the golden version to prep the demo! Obviously everyone starts looking at me as to why nothing works both worried and eager to help. But I got so stressed I just wanted to dig a hole.
Luckily after going through the logs a colleague of mine pieced together something he heard about another colleague on another location we have submitted a fix (without telling our location) that f**ked up the whole system.

Luckily we reverted it since the system was better without it and got it stable again but after all of that I had to go rest because until we found the answer I was starting to think I couldn't get one thing right. I think it was the most stressful moment in 5+ years on this job