This question already has an answer here:
I accidently pinned my own message. I managed to unpin it, but it still remained as starred.
When I try to unstar the message I get a message saying that I can not star my own message, and the message remains starred.
So there are two issues here:
- The error message is incorrect, and;
- It is not possible to unstar the message.
Here is a screenshot:
FWIW, I am the room owner.