...Possibly, but I don't know - I'd think that this would have been covered in our training if a glitch like this was something that happened frequently!

[Hm.]

Well, retrieving it from the system is one way to check - the information on the Pokémon that you can get from the 'Dex should tell you who the original trainer is, in case it was some sort of mistake, and obviously if it's some sort of display problem you shouldn't be able to do anything with it.