Hey
@Izzy0428,
if you have removed the file regencysims4MFJaneGameOfGowns.package try deleting the localthumbcache.package and all of the contents of your cache folder and then repair your game.
Note: Always remove these folders when making changes to your game or re-installing: Mods, Save, and Tray
If you have made videos of your Sims or taken Screenshots you will also want to remove those folders.
Note: If your game is installed on a external drive read this "step 3 - Point 3.
https://bluebellflora.com/saving-your-sims-4-folder-to-an-external-drive/
