Im having a issue!!

i guess i have a wait on each time i play of 20 mins.. ive been told that i have to play 5 games with the wait times.. which i have so.. when i do play after each game when the results pop up i get a notification that tells me i went afk or left game which i havent i just played it thru like wtf? and its always after the conclusion of the match right before the window pops up with k/d ratios.. pls help i have to wait 20 mins just to play 1 game!