All furniture and objects disappear from apartment after leaving

Product: The Sims 4
Platform:Mac
Which language are you playing the game in? English
How often does the bug occur? Every time (100%)
What is your current game version number? 1.112.481.1230
What expansions, game packs, and stuff packs do you have installed? City Living and Seasons
Steps: How can we find the bug ourselves? Loading the game and trying to play in an apartment?
What happens when the bug occurs? I attempt to play as a sim in the Chic Street Apartments. Their apartment loads, but the other two in the building show up empty. I have the Sim visit the Pizazz apartment, and the load screen comes up. Once it shows the Pizazz apartment, my Sim is still in the hallway, and I can see inside, where that Sim is sitting on air where the couch should be but there is no furniture or objects. The objects and rooms in the apartment of the Sim I am playing have also disappeared.
What do you expect to see? Furniture, Sims, objects.
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system? No

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I just purchased and downloaded both expansion packs and this happened immediately in San Myshuno. All other housing types are not impacted. I removed all mods and cc and the issue persists; it also happens in a new save file.