BUG MAKE U CANT PLAY

WHEN YOU WAITING THE MATCH, AND THE BOARD IS SHOWING. CLICK ACCEPT BUTTON IT WILL TOOK U TO THE ROOM. BUT AT THIS TIME, I DID CLICK, THE BOARD STILL SHOWING, CANT DO ANYTHING WITH THAT. I WAS IN THE ROOM, CAN SAW THEY TEXTING, BUT CANT PICK CHAMPION. AND WHEN I RESTART GAME, IT BANNED ME 5 MINUTES. A BUG MAKE U CANT PLAY GAME FOR 5 MINUTES? !!! THIS HAPPENED AT SECOND MATCH TODAY. ????? WHAT A BUG WITH SYSTEM