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

"luthienrising;c-17823169" wrote:
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.

This one, very much. I have had the same in the past, both , corrupted household, or corrupted lot. In both cases it threw me back to selecting world with an error code.
ETA: and both in total vanilla game.