this needs to stop

so i wanted to play some league of legends then i started a game of pyke
i didnt went afk i was w8 for the game in the loading screen then after 4 min i see end game screen and i got -17 lp. i was not that mad then i went to ply another game and it was fine then after some games that thing happend again whit karma so i got another -17 lp i was a litle nervos and tilted then i played more games and it happend again whit veigar but my friend told them that it was a bug then i restarted the game and rec. so i played another game today and it happend again and i got leavebuster i dont deserve it its not my problem that this happend and i shold not be punished for something that i had no power to change i ply this game for 8 y now i dont want to w8 20 min for 1 game i think that i shold not be punished.