Re: Mods Folder not working no matter what sims 4

@naegabyeonhae  Please move your entire Sims 4 folder out of Documents\Electronic Arts and onto your desktop.  When you launch the game, a clean folder will spawn with no content.  (Your saves and other content will be intact in the folder you've moved but temporarily not read by the game.)  Don't add anything to the new folder yet.  Instead, load the game to the Main Menu, enable mods and custom content, and quit.  Download a fresh copy of one mod that's listed as compatible with the current patch level (1.81), add it to your Mods folder, and see whether it works.

If that one mod is fine, you can start adding more, but do so a few at a time, and keep testing to make sure everything still works.  If you get the same error again, you'll know that at least one of the mods you added in the last batch is a problem, and you'll need to remove it.