Kagda
How long does it freeze for before it starts working again?
Does it always happen when you/your sim are doing specific interactions? Or in BB/CAS?
Which exact model Mac and macOS do you have? Apple > About This Mac.
Do you have vsync enabled in the Game Options > Graphics? If not, enable it and see if that makes a difference.
Can you follow these instructions to start with a completely new, clean Sims 4 folder and see if it still happens -
[INSTRUCTIONS] How to troubleshoot and test a broken game | EA Forums - 11864548 after testing a new save in the new folder COPY the save from your previous Sims 4 folder into the new Sims 4 > saves folder, load up the game and see if it still happens.
Can you please copy/paste the contents of the most recent lastCrash file in your Sims 4 folder from when this happened into a post here.