I got leaverbuster because of this bug

I've enetered a ranked game , after champion selection i didn't enter the game and the client typed "the game is still in progress" , they remaked i was considered as a leaver and got that 5 games leaver queue , ofcourse that ranked game was considered as a lose too , that doesnt happen everygame but it happens from time to time , i shouldnt've gotten that 5 games leaver queue , i did nothing , also i tried everything "reconnecting - restarting the pc - reconnecting to the internet" please can you help me and remove that leaver queue ?