I discovered I made a mistake with a client recently.
It was a decent sized mistake with implications and significant consequences.
This photo depicts the feeling I had. Shock, disbelief. A sense of "I can't believe what I'm seeing.
A print job that needed to be delivered for an important conference and was hung up at the printer. Not their fault. My fault. 100% my fault. A simple mistake. No chance it could get there in time.