Lost player cards

Opening a pack or buying a player from the auction works but when you send the card into library you lose it.

Trying to find bought cards and adding to a set and I cannot find them anywhere. Shop menu looks like there is unhandled number of cards or packs but when going through the menu, an error pops up.

Other issue is that when you complete a set, used players still exist in library collection.

How is possible that these kind of bugs still exist when this game is almost a year old?