Weird destructive error message

In recent days I recorded audio from people for a video Im making. When I was checking on the recordings, some of them had a message pop up that said something like "One or more audio recordings changed in length." And after that it would delete the recording I was looking at and turn it into a copy of a different recording. Im concerned it will strike again. Please neutralise this evil occurrence. Or explain why it happens. (I should also note that Ive done nothing out of the ordinary with these recordings. Theyre about as normal as you could possibly imagine. Single line voice recordings. And the names of them arent super long or repeating or anything (I read that was a possible reason for the error). And it has never happened in the past during my many past projects.)

:$0 about GarageBand, v2.2.1