Tattoos don't work well for occults with two forms

Yes this is what I’m struggling with. I really want to use the custom tattoo someone made for my vampire and am also very disappointed. 

I have a custom face tattoo for my vampire’s dark form. I have unlinked her forms (which for some reason automatically relinks in cas) and applied a face tattoo to her dark form and it’s there in cas but disappears in live mode. I tried a face tattoo that comes with the game and it works fine. Is there a way to fix this? 
I play on a gaming laptop with only Sims 4 on it. No mods and only cc is from marketplace. Everything is updated.

Affected Expansions/Packs: Business & Hobbies, Island Living, Vampires, Enchanted By Nature, Go to Work.

Description: This issue involves the incorrect behavior of the tattoo paint layer for the secondary forms of occult Sims.

I frequently play occult Sims and love using the Tattoo Paint Mode for customization. We can create completely different looks for the two forms of Aliens, Mermaids, Vampires, and Fairies by unlinking them. Technically, the Tattoo Paint Mode is accessible independently for both forms. However, if you save such Sims to the Library, their appearance changes upon loading.

If the tattoo paint is applied only to the hidden/secondary form (and not the main form), the paint completely disappears after loading from the Library.

Conversely, if the tattoo paint is applied only to the main form, the hidden/secondary form will incorrectly inherit the exact same paint upon loading.

The preview frames in the Library show both forms with their correct paint. However, during loading, the second form somehow inherits the paint layer (or lack thereof) from the first. It is impossible to keep the paint different for the two forms. The same issue occurs when placing the Sim into the world.

Note: This does not affect regular tattoos or face paint, makeup, skin details, etc. These features work as expected. It only affects elements applied via the tattoo paint mode. This affects all dual-form occults (Aliens, Mermaids, Vampires, and Fairies), except for Werewolves (whose wolf form uses its own paint system, not the B&H tattoo paint) and Spellcasters (who do not have a secondary form).

Steps to Reproduce:

- Create any of the listed occult types in CAS.
- Unlink the two forms by breaking the chain if needed.
- Enter the tattoo paint mode and create a unique paint design for only one of the forms.
- Save the Sim to the Library, then load them back into CAS or place them into the world.
- If the paint was on the main form, it will incorrectly appear on the occult form. If the paint was only on the occult form, it will disappear.

Expected Behavior: The tattoo paint mode should function independently for both forms of an occult Sim. All customization should persist correctly after saving, loading, or exiting CAS without the layers bleeding over or disappearing.

System Info:

Platform: PC
Game Version: 1.125.59.1030 DX11. (Note: This issue has existed for a while; I've noticed it with Vampires and Aliens at least since before the release of Enchanted By Nature).
Installed Packs: All expansions, game packs, stuff packs, and kits, except Creator Kits.
Custom Content/Mods: All mods and custom content were removed for testing, and the cache was cleared.

I’m having this same problem, and it really discourages me when creating my occult Sims. In the case of my merman, since the game doesn’t have gills in Create-a-Sim, I made my own using the tattoo tool from the Businesses & Hobbies pack and applied them only to the occult form. However, when I save him to the gallery or enter Live Mode, the gill tattoo disappears. So frustrating..

I've done a bit of testing and I can confirm this bug appears on every occult with a secondary form (aliens, vampires, mermaids, fairies) minus werewolves of course, because they cannot be tattooed.

I encountered a bug where, if you apply a tattoo to a vampire’s dark form (with synchronization with disguise turned off — I wanted the tattoo only on the dark form, not the normal one) and then save the Sim to the library or start the game, the tattoo completely disappears.

Even though it appears in the library preview, once you load the Sim from there, the tattoo is gone. It’s really disappointing — I spent a lot of time on this! 🥲

(This is my first time reporting bugs so hopefully I do this right)

Platform: PC, EA app

All packs installed besides: vintage glamor, cool kitchen, fitness stuff, journey to Batuu, and most of the kits

Recently I’ve been making a lot of vampire sims and using the paint tattoo feature on their dark form to give them extra flourishes. When first making the sim in CAS you can set them having different tattoos for their normal and dark forms and switching between both forms while editing them works how intended. However, after setting up the 2 separate tattoos and either importing them from the Gallery or going into Live Mode the tattoos are replaced by the tattoo they have on their normal form or vise versa, when you go back to CAS after it happens in Live mode the other custom tattoo is now gone. You can replace the missing tattoo in case and it shows them having different tattoos for each form, but as soon as I go back into live mode or import one of my sims from the gallery one of the tattoos are replaced by the other

If you cannot have 2 separate tattoos for both Vampire forms then it should be made more clear and have it so you’re not able to set 2 different tattoos when first editing the sim

Ive experienced this with nearly every occult. Including the new fairies

I also am having this issue. I don't use any mods or cc. Its been happening with all my occult sims with 2 forms so far and also occasionally when I'm in cas with a regular sim too. I'll change a hairstyle or tattoo, and then when I come back to that category a little bit later it'll be one of the random things I tried on previously again. 

I have been painting custom tattoos in CAS mode the past few days and have found that if the main form has the tattoo, the other will "take it on" when placed into CAS. I create a fairy with each form having different tattoos and upload to the gallery. But if I place it into CAS, the tattoo on the main sim form takes over the alternate form tattoo. Same happened with my alien tattoos. Have not tested Vampires or Mermaids. On PC. Mods removed.