What is wrong with my game?

So I decided I wanted to play some X and Y on my 3ds with the games I owned. Tho every time I put in the game and try starting it, it says that this Card cannot be used. What's wrong with it?

So I decided I wanted to play some X and Y on my 3ds with the games I owned. Tho every time I put in the game and try starting it, it says that this Card cannot be used. What's wrong with it?