What, where it says that your team is invalid? I've had that once before... Make sure that there's nothing from Gen V in your team, and that you're playing on OU.
Hello. I'm Idno58, as you can see. Welcome to the forums, read the rules and all that. Say, I'm starting this thing where I make sprites for new members. I can see you like fire types, but if you'd be so kind as to PM me or something with stuff you'd like to be in it, I can get straight to work!