Check the SimsVIP broken Mods page for updated lists after each patch. The good creators will always check their content is compatible after an update and release an updated version if necessary or possible.
When macOS updates are applied this can sometimes change iCloud Drive settings if dialogue windows ask the user to confirm new actions so check the location of your Documents folder in System Preferences. Game updates can render CC/Mods incompatible so you need to check with the creator that the content you use has been updated to work with the current patch level of the game.
Sometimes there are spikes in this issue being reported and it usually coincides with a game update or macOS update.
