“Reply all” to an e-mail with 50 recipients even though you just want to send it to the original sender.
I work in health and social care.
I suppose the equivalent for me was when I had an elderly man wake me up at 4am because he’d shit himself and while I was showering him he wiped the shit directly onto my face.
At a piano bar:
Setting a drink on the grand piano and inadvertently knocking it over inside the case so that it ruins the soundboard.
GIT merge without deleting the old branch.
Fixing the other teams mistakes on a daily basis and tidying up after them