Game Crashes After Champion Select [CRASH]

Everytime i load up a game I've been trying to relearn some of the champions, because i haven't been on in a while, I go to bots beginner. i get to the champion select screen pick my champion then the screen goes black as if its about to load the game then crashes.

1. go into a bot game (havent tested anything else since i got hit with the leaverbot because i can't get in the game now i have to wait 10 min to test)

2. pick a champion

3. game crashes