There are a few lots that are special venues and the game doesn’t allow to change them. This is by design.
- Windenburg: The ruins, the Von Haunt Estate and the bluffs.
- San Myshuno: Myshuno Meadows
- Mt. Komorebi: Onsen (This is a bit special as it’s not marked as special lot but Onsen is the only lot type you can choose)
- Copperdale: High School (This is a bit special as it’s not marked as special lot but Highschool is the only lot type you can choose)
The lot type is stuck on generic and cant’ be changed with the error ‘Disabled for special venues’. It’s also impossible to buy something in build mode.
For more details see: Lot changes into generic lot that can’t be changed
Residential lots that have Sims living in them suddenly become rental lots (or rental lot –
For more details see: Residential lot changes into rental lot that can’t be changed
I don’t have a solution for this. Best to contact the creator of the mod if you have issues with a custom lot type.