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The Sims 4: How to run a Batch Fix with Sims 4 Studio


Are you tired of seeing random townies using custom content you didn’t assign to them? Are you having issues with objects not doing what they are intended? Well we can fix some of your problems easily, thanks to Sims 4 Studio.

In this tutorial we will be going over how to apply batch fixes to Create-a-Sim and Build/Buy mode.

Please be sure to READ CAREFULLY before you run a batch fix. If you are unsure of what you are clicking, reference this guide.

Step 1

Install Sims 4 Studio!

If you are unsure on how to install S4S please read this guide here: Learning Your Tools: S4S

In the “Learning Your Tools: Sims4Studio” guide I will walk you through the install process and setting up the program for first time use.

Step 2

Now that you have Sims 4 Studio installed, launch the program.

On the top navigation panel go to: Tools > Content Management > Batch Fixes

You will now see three options listed under Batch Fixes: CASObjects, and Misc.

These are the categories of fixes currently available for The Sims 4.

Lets go over each of the them, and their function.

Create-a-Sim Batch Fixes

CAS Batch Fixes – These will fix many errors caused by game updates to CAS + CC errors.

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  • Disallow CC for random* – CC will not be used on townies, or game generated sims.
  • Disallow CC for aliens – CC will not be available for Aliens in CAS.
  • Allow CC for aliens – CC will be available for Aliens in CAS.
  • Disallow CC for Default – This fixes any CC item stuck on your sim in their “nude” outfit.
  • Disallow CC for shower  This fixes any CC items stuck on your sim in the shower. If this is a problem, and this batch fix does not fix it. Check out: “Reset Baiting Outfit“.
  • Update CC for all genders – This will allow male to use female clothes and vice versa.
  • Allow CC for random – CC will be used on all townies, or game generated sims.
  • Fix male missing mesh – This fixes the underwear/swimsuit bottoms that may be invisible.
  • Fix underwear tags – Some undergarmets are not tagged as underwear, this will fix that.
  • Disallow CC for Vampires – CC will not be available for Vampires in CAS.
  • Allow CC for Vampires – CC will be available for Vampires in CAS.
  • Fix swimwear bottom tags – Some swimwear are not tagged as swimwear this will fix that.
  • Update CAS CC Pets Patch – Fixes bugs caused by Pets that alter your custom content.
  • Fix Cats & Dogs Patch Glass Hair – Fixes the glass hair bug, caused by the pets patch.
  • Seasons basic batch fix – Adds the hot/cold tag to all CC, with the seasons patch.

Color Code Priority:

  1. Green = Run batch fix often
  2. Yellow = Run if you own those packs.
  3. Red = Run at your preference. 

*NOTE: If you are using CC for random, this can cause lag in the game. IF you are experiencing lag issues with many sims in one area having custom content you may want to run t”Disallow CC for Random”.


DO NOT RUN: Disallow CC for random or Disallow CC for Default 

If you are using default replacement skin/eyes/hair/etc. Find those items and remove them from your mods folder temporarily while you run the batch fix.

Once you are done place your default back into your mods folder. 

If you run these commands with your defaults installed they will be turned off!

Object Batch Fixes

Object Batch Fixes – These will fix many errors caused by game updates to Build/Buy mode objects.

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  • Fix dishwasher slots – Allows dishwashers to be placed into old CC counter tops.
  • Fix Dining Tables… – Adds a tag for CC dining tables/chairs to be functional with dine out and parenthood.
  • Fix single beds..– Adds monsters under the bed to CC single beds.
  • Fix CC Light tuning – Fixes CC lights that no longer alluminate or give “Script Called” errors when placed.
  • Update CC counters for toddlers – Fixes the tuning on CC counters for the free toddlers life state patch.
  • Update CC bookcases for toddlers – Fixes the tuning on CC bookshelves for the free toddlers life state patch.
  • Update CC TV’s… – Adds all cc TV’s to be able to use the City Living video game consoles.
  • Fix objects for cats & dogs – Allows pets to sleep on furniture and interact with items.

Color Code Priority:

  1. Green = Run batch fix often
  2. Yellow = Run if you own those packs.
  3. Red = Run at your preference. 

Step 3

Run all of the batch fixes in GREEN.

Run all of the batch fixes in YELLOW if you own those packs.

Only run the batch fixes in RED if you are 100% sure you want to use those items.

NOTE: If you do happen to run a batch fix on something you did not want to change. There is a backup of the .package files that were changed in: DocumentsSims 4 StudioBatch Fixes

If you have a lot of custom content installed the batch fix process can take quite some time. Just wait until it is finished.

Here is a gif example of me running a batch fix on my game:


Step 4 

Clear you game cache. If you are unsure how check out my tutorial: “How to ensure a Healthy Game!“. This will walk you through clearing your cache step by step as well as other tips and tricks to run your game smoothly with CC and Mods.

Step 5

Start up your game and enjoy it!

About the author


I have been an artist most of my life and fell in love with The Sims franchise in 2000. Since then I have honed my artistic ability to make custom content for the Sims community. My hobbies include: painting, poetry, gaming, and cooking.

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