help me to solve a problem after champion select
https://media.discordapp.net/attachments/304239062674571264/462040561889574922/36319056_479338795856897_6438757967910141952_n.png?width=1051&height=657
after champion select it comes to me says a critical error has occurred and i got leaverbuster becasue of it so please tell me how to fix it