Sims Do Nothing

 Started a new save and my sim just.. does nothing. I can't make her do anything. Clicking "go fishing", "go jogging", "watch tv", etc etc just results in the action bubble showing up in her queue but she doesn't move and nothing happens. When I do something like have her quit her job or apply for college, it just happens instantaneously with no animations or wait time. I went to manage worlds to try out another household - the very first action I perform on a sim works, and then after that point, it goes back to a permanent idle. Switching to another sim in the household does nothing, they are also idling. I loaded an old save, thinking maybe it was an issue with having a new save - nope. Everyone stands idle, doing nothing at all but rocking back and forth and staring into the void.

I have removed all my mods and loaded the game without them - nothing. I have deleted localthumbcache - nothing. I have repaired my game - nothing.

I'd love to find out how on earth I can actually play the game!