[Major BUG] The Sim 2 Ferniture disappeaer in dormitory

I play The Sims 2 as a university student. Then I reserved a room in the dormitory. And other students (bots) reserved a other room in same dormitory,The furniture will disappeared from the room, making the bot can't enter their room.

and when entering home decorating mode, I still see the furniture in the same place all the time. but change live mode disappear again ,Even you buy new furniture instead, it won't show it anyway. Please fix this bug. Otherwise, I will be a refund.😬😬😬