I lost around 32 lp because the game was laging for all 10 players

i lost 2 games because of laging ingame Hello, i was playing ranked with my friend yesterday when we got message that our game is going to start in 5 minuts or less, we waited and started the game, and then everyone noticed that something is not working correct, all 10 players were laging and was having high amount of ms, we couldnt cast spell corectly walk or even fight. This happened today on 2/2/2020 and i lost my lp again, because of this i lost 2 games and around 32 lp.