PBE loading screen keeps crashing

Everytime i open pbe to try and play urf its fine up until the loading screen. I get my champion, it loads and once it hits the loading screen itll go up to about 60% and then crash. And then everytime after that, it goes to 4% and crashes and i cannot reconnect. This hasn't happened in the past and it only starting happening after pbe updated or something. If anyone knows how to fix this please help.
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