Why can't I join ranked battles? To participate in ranked battles you must be Trainer Level 6 or higher and have a Fair-Play Point score of at least 80. Related articles Why can't I join my friend in a ranked battle? "Network error. Please check your internet connection and try again" appears on the title screen I unintentionally sent a Thumbs-Up. Can I undo it? I defeated Rotom but it disappeared before assisting my team. Tell me more about Pokémon licenses.