Solved
Re: How to restart sims 4
@ElitaGaim I'm trying ti figure out that too cause I still want my mods
@abrahamlincbaldy That particular error is usually caused by mods, and you'll need to test them to find out which one is the issue. Hopefully you'll be able to download an updated version, but if there isn't one available, you'll need to play without it for now. If you have a lot of mods, you can use the 50/50 method:
http://modthesims.info/wiki.php?title=Game_Help:Finding_Problem_Custom_Content
