Broken Mods & CC: 21st Anniversary Patch, Feb. '21

"briesims;c-17823145" wrote:
I dont know what my problem is then: i open the game, open the save, i get into the family and it takes me back to choose a world

Start with the list on the first few posts on p. 1 here, and if that doesn't help, do a 50-50. It's also possible that that household is corrupted -- worth testing with no mods or CC at all. Don't skip the deleting localthumbcache step so your game removes the effects of mods you've pulled out.