@simliciouss1awesome, you can try replacing it again. If it breaks again, might be best to remove that build from your game, could be corrupted 🙂
CC in the game can act up already, batch fixing a build while the lot is occupied sure can cause issues... Can't be sure though, but if you manage to fix your lots this way (evicting families when necessary, replacing lot, check), you can continue your save ;-)
The reason I asked about moveobjects and TOOL is because I already had it happen a few times that a lot with a wrongly placed furniture item (using TOOL) would crash when loaded without moveobjects on.
thanks for your help!!
