Possible data corruption and bug splats

"Sorry! We've detected some possible data corruption in your installation. Would you like to repair the affected files?" I click yes, and it starts loading. When I launch the game, and try to start a custom I get to champion select, then the loading screen, bu then it suddenly stops and asks me to reconect to the game AND a bug splat shows up. If I turn league off, and then when I turn it back on, it shows possible data corruption again. What do I do ? Will I ever be able to play ?
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