Households won't load after May 12th update

After the update, I can’t load into any of my households. The game and CAS open fine, but when I try to enter a household, it takes a while, the music glitches, the screen freezes, and then it crashes.

I’ve tried to find the problematic mod, updated the ones that needed it, and even tested with no mods at all, but had no luck. It worked fine on a new save, but with my two older saves, I can’t open any households at all.