You can give up the original household and use the new one. If Sims 4 mods not working issue disappear, it will be sure that this issue is caused by the household problem.

In this case, you should create a new household and check if it can load the mods. And these corrupt items might be conflicting with the mods and prevent them from loading properly. So, it is possible that there are some corrupt files or modules in the current household. Sometimes, players are unable to load any mods for the current households while they can load mods for the a new one. Step 4: In the right pane, check Enable Custom Content and Mods and Script Mods Allowed, and then click Apply Changes to confirm the operation and exit the interface. Step 3: Choose Game options and click Other section in the left pane. Step 2: Click the three-dot icon at the top-right corner to open the game menu. So, you should firstly check if mods are enabled in your Sims 4. If this option is disabled, you will definitely experience Sims 4 mods not showing up issue. In Sims 4, an option is provided to allow players to enable or disable the mods in game according to their needs. Read More Fix 1: Make Sure Mods Are Enabled