"Players not ready" bug - can't start the game solo

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Hello, I keep getting the message "Players are not ready" after I want to start the game "SOLO" and I can't start the game in any game mode. I even got a message from RIOT in-game telling me I will be punished If i keep "declining" so many games, but i can't even decline them since I don't get any messages to accept or decline queue. This is ridiculous, your game is not working Riot and you want to even punish me for this. I need some help to fix this!
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