Sorry I don't have that costume, I guess I wasn't playing when that event was released. My other costumes for Odus, Misty, Nutcracker and Yeti are fine
@Lola_Pop and @DieOmimi , I play on Win10. The app updates itself so it's always on latest version. The update seems to be the problem, since @AkumaXX also got the same problem as me, after he (or she?) updated. 😕