The game is regularly crashing and taking my whole PC down with it.
As much as I don’t like to link the other site, it looks exactly like this:
https://www.reddit.com/r/RocketLeague/comments/1hdsc6z/i_did_a_save_so_good_that_it_broke_my_game/
Nvidia GTX 3080, Intel Core i9-9900K Coffee Lake
You could then try to run DDU and reinstall the driver