Rendering Device Lost

I keep getting an error message saying “Your rendering device has been lost! Application closing!” about an hour into playing the game. I only play unranked so idk if it’s replicable during comp matches, but I do know that it also happens during event games. I don’t have any issues playing any other games or using other programs. I don’t think my GPU is the problem since everything else works fine. The message only ever pops up when going into a game, no other time, but it can appear when going into a second round too. Will I get penalized even through it’s not me willingly leaving the game?

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