Game is still in progress...

Every now and then (maybe like 1/30 games) the client bugs out and never starts the match. This occurs in both regular summoners rift, and in TFT. After champ select or after hitting accept, the client eternally gives the message "Game is still in progress..." as if the client actually started the game. Reconnecting, restarting the internet, and restarting the computer all do not fix the issue. I attempted to repair the client and even that did nothing. As it stands, I'm stuck waiting for the game to finish before I can do anything further because the client thinks I'm in-game and everything is peachy.
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