jakvlogs

The problem is that i can trade them in GTS but i cant play it with them online, i dont know wath pokemon is in my team i have the three starters of the first gen and my garchomp

Hi! I'm new here, first of all say sorry about my english, my problem is that PKHeX says tha my mon is legal but when I enter to the game to play online the game says that there is a problem with a pokemon of my team, what should i do?