Game Frozes

There is alot of freezing games happening in world of chel whenever you are in a pre game matchup. The game frozes and you loose the game as an elite 1 player it is extremely frustating on my 5 loss i have 4 of them being a frozen screen. I will not play until that id fixed. Takes me 20 games to obtain 400rp and only one frozen screen to loose 400rp. Ea this is an issue right now please fix it thanks