PkHeX version: 20210806
Game: Pokemon Gold
I have a level 5 Murkrow hatched from an egg that is detected as illegal because it knows Drill Peck. However, this is a legitimate egg move for Murkrow. I haven't injected or edited the Pokemon in any way, it was hatched in-game from a mother Murkrow and father Dodrio that knows Drill Peck.
198 - MURKROW - 1096.pk2