Priority: minor

Description:

• I got a game invite for a costum game and accepted it.
• It took me to the welcoming screen but did not enter the game, so I went to costums and tried to join manually.
• The game was full so I clicked on spectate.
• Entered champ selection, and the timer started counting the delay.
• Before the loading screen I got an error message saying "You cannot join game XXXX because you are already in game XXXX [XXXX]".
• I tried to spectate another game and got the same error.
• Restarting the client seems to fix it.