If you're having problems with Sims 4 - Outdoor Retreat
It's been suggested to try a Factory Reset.
Factory Reset (This is different from a total-game reinstall - This just sets the game back to factory default.)
Move your Sims 4 folder to the desktop or some where safe, and rename it something like Sims 4 Current. Go into Origin, right click on Sims 4 and select Repair game. Once finished launch the game to create a new Sims 4 folder.
Go to: ----> Documents > Electronic Arts >
to confirm you've got a new Sims 4 folder. From here, exit the game and copy your files and folders over.
Options.ini File -- Video and Game Options
Saves Folder -- Game File Saves
Screenshots Folder -- Photos taken in-game
Tray Folder -- Sims, Houses, and Rooms
Mods Folder -- Mods and Custom Content
Read more about a Factory Reset in the link below:
http://sims4.crinrict.com/en/2014/09/resetting-the-game-to-factory-settings-without-reinstalling/