User file troubleshooting
Reset your game to when you first started the game to rule out errors with the user files by removing the user folder and let the game create a new one.
With this method all your downloads/saves/.. will disappear but it’s all still in your backup folder so no worries about that.
- Open the folder Documents\Electronic Arts\
- Rename the folder Sims 4 in Sims 4 Backup
- Start the game.
More details can be found here: Resetting the game to factory settings without reinstalling