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Original Poster
#1 Old 22nd Feb 2026 at 12:36 PM Last edited by oliwkasliwka : 22nd Feb 2026 at 12:51 PM.
Default Weird error in cas
I have a weird problem in my game and I have no idea how to fix it. I created a child of 2 sims by mixing their genetics, then I started editing him, then I clicked the "undo" button and then his body disappeared, only his head left. It happens every time when I'm undoing something while editing a sim, who was made by mixed genetics. Anyone know what might cause this issue?
Mad Poster
#2 Old 22nd Feb 2026 at 1:08 PM
What does it say his everyday outfit is?
Test Subject
Original Poster
#3 Old 22nd Feb 2026 at 1:10 PM
Quote: Originally posted by kestrellyn
What does it say his everyday outfit is?

I don't remember, but I had this bug multiple times on different sims so I don't think it's an issue with an outfit
Mad Poster
#4 Old 22nd Feb 2026 at 10:04 PM
1: Which game version do you have? (In case it's a LC bug or some such)

2: Can you fix the sim by giving them a new everyday outfit? (If you can, it's likely an outfit issue)

3: Do you use default replacement outfits? (Could be one or more that aren't working properly, and keep popping up)

4: Do you have LazyDuchess' pink-flashing fix/mod? (It makes pink-flashing invisible, so if the bug is causing pink-flashing, it would perhaps explain why their body keeps missing).

5: Do you have high-poly clothing items / default replacements in your game? (Some can show up invisible if you don't have shaders turned on)

6: If you have shaders off, or if your game setup is a bit buggy (game isn't reading graphic card properly), it can sometimes cause sims' bodies or heads to go invisible.

7: Mixing genetics shouldn't have influence over the clothes/body under normal circumstances - other than skintone (could be a bodyshape issue, though). Only the face and eyes/hair/eyebrows/skin are genetic. The body/clothes aren't. Can't remember (not without checking) if mixing genetics in CAS also changes clothes, though.
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Original Poster
#5 Old 22nd Feb 2026 at 11:17 PM Last edited by oliwkasliwka : 22nd Feb 2026 at 11:36 PM.
Quote: Originally posted by simmer22
1: Which game version do you have? (In case it's a LC bug or some such)

2: Can you fix the sim by giving them a new everyday outfit? (If you can, it's likely an outfit issue)

3: Do you use default replacement outfits? (Could be one or more that aren't working properly, and keep popping up)

4: Do you have LazyDuchess' pink-flashing fix/mod? (It makes pink-flashing invisible, so if the bug is causing pink-flashing, it would perhaps explain why their body keeps missing).

5: Do you have high-poly clothing items / default replacements in your game? (Some can show up invisible if you don't have shaders turned on)

6: If you have shaders off, or if your game setup is a bit buggy (game isn't reading graphic card properly), it can sometimes cause sims' bodies or heads to go invisible.

7: Mixing genetics shouldn't have influence over the clothes/body under normal circumstances - other than skintone (could be a bodyshape issue, though). Only the face and eyes/hair/eyebrows/skin are genetic. The body/clothes aren't. Can't remember (not without checking) if mixing genetics in CAS also changes clothes, though.

Okay, I had to launch the game to check those things as I always got scared of this bug and quitted the game. Here's the answers:

1. I have a pirated game from MRDJ. The version is 1.17.0.66

2. No. When I checked it today the bug was kinda different than usual. After hitting the "undo" button the whole sim dissapeared. When I clicked on a different outfit this is what happened (screenshot). Sim was also doing animations, probably the ones that they do in cas when they are finished and are "waiting" for a photo

3. I have only default replacements of hairs

4. No

5. I'm not sure, but I don't think it's an issue with clothing, as it happens no matter which clothing/hair/bodytype I chose

6. I thought it might be a problem with a graphic card, but now I'm not sure because why would a graphic card make my sim do animations not allowed in cas? I have the same version of the game on my second computer and I never encountered it there (I have a better graphic card there). On my laptop where the problem occurs graphic card is AMD Radeon Graphics

My sister thinks it might be a problem with my game mixing up animations. It's the most probable for me now, but I still don't know if it's the cause of it
Screenshots
Mad Poster
#6 Old 23rd Feb 2026 at 2:09 AM
If the sim ends up all the way to the back wall, something is absolutely off (never seen that before). Also looks like they're bending down to maybe child height.

Do you use a custom CAS? Or do you have any CAS-spesific mods that could be messing with the animations?

Have you tested if it still happens if you take out your CC? (backup the whole "The sims 2" folder first)
Mad Poster
#7 Old 23rd Feb 2026 at 1:59 PM
Does it persist if you save the sim and put them in game?
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Original Poster
#8 Old 8th Mar 2026 at 9:55 PM
Sorry for my absence in here lol. I have no idea what was the issue, but I'm assuming my whole game was falling apart due to the game mixing up my files. I ended up buying Legacy Collection. Here are some infos if you're interested:

As simmer22 mentioned, my sim was bending down to child height. I don't remember well, but I think this sim was doing animations assigned to children. So it seems like my game treated a teen sim as a child and as if it was already finished from editing, 'waiting' for a photo in the second room of CAS.

If I took out my CC: I launched my game without any mods/cc in my game and I got a little confused. I checked it multiple times, the problem appeared but only once. With my downloads folder the problem appears every time I undo. So it seems like it's in-game problem, but also one of my mod is causing it to appear more often

In addition, whenever I built a public lot with a lake, my game started treating it as a beach lot. The water glitched and sand was appearing around the lot.

Today I wanted to check a map, so I load it by creating a new neighborhood. Instead of trees there were roads from cc (not instead of every tree, but still).

It seems like my game was slowly mixing up the files. I got tired of this as I am scared of glitches and errors and bought the legal version. Thanks for your willngness to help anyway, I appreciate that
Mad Poster
#9 Old 8th Mar 2026 at 10:19 PM
Could've been an issue with the install/version. Some versions have the odd issue.

If it happens again with LC, let us know (most likely CC/mod related).

Quote: Originally posted by oliwkasliwka
If I took out my CC: I launched my game without any mods/cc in my game and I got a little confused. I checked it multiple times, the problem appeared but only once. With my downloads folder the problem appears every time I undo. So it seems like it's in-game problem, but also one of my mod is causing it to appear more often


Slightly confused - did the issue go away if you removed your CC/mods, or did it persist?
If it went away, it's a CC/mod issue. In this case, 50/50 is probably your best bet.
The "one time" without CC could potentially be caused by borked cache files.

Also, were you using extracted sims (extracted with SimPE and NOT cloned in Bodyshop)? Could've been a potential age issue there.

Out of pure curiousity, which graphic settings did you use? High on everything, or some on low? A few of the settings can potentially cause problems with clothes. Mods that change the CAS poses (I think there are a few?), could be a potential culprit.

Quote: Originally posted by oliwkasliwka
In addition, whenever I built a public lot with a lake, my game started treating it as a beach lot. The water glitched and sand was appearing around the lot.


A beach lot is not the same as a lot with a pond, so I think this was just a borked pond issue. There are some known issues related to ponds. Would've help with a picture, if you have one (or can recreate the issue).

Posting pictures of the issues often help a lot more with figuring out the issues.
Test Subject
Original Poster
#10 Old 8th Mar 2026 at 11:53 PM
Quote: Originally posted by simmer22
Could've been an issue with the install/version. Some versions have the odd issue.

If it happens again with LC, let us know (most likely CC/mod related).



Slightly confused - did the issue go away if you removed your CC/mods, or did it persist?
If it went away, it's a CC/mod issue. In this case, 50/50 is probably your best bet.
The "one time" without CC could potentially be caused by borked cache files.

Also, were you using extracted sims (extracted with SimPE and NOT cloned in Bodyshop)? Could've been a potential age issue there.

Out of pure curiousity, which graphic settings did you use? High on everything, or some on low? A few of the settings can potentially cause problems with clothes. Mods that change the CAS poses (I think there are a few?), could be a potential culprit.



A beach lot is not the same as a lot with a pond, so I think this was just a borked pond issue. There are some known issues related to ponds. Would've help with a picture, if you have one (or can recreate the issue).

Posting pictures of the issues often help a lot more with figuring out the issues.

I don't really know if it went away. Without my downloads folder it happened only once, then it stopped. At this point I have no idea if it was in-game problem or a problem with cc. I downloaded a lot of very old cc (some were from like 2005), so maybe some were broken or incompatible with some expension packs. I'm going to start over with my downloads folder, just in case.

I didn't use extracted sims, I used random sims that spawned when you load cas.

I use high graphics with reflections off most of the time.

Sorry, I can't do a screenshot of a public lot glitch, but I checked it in LC and it doesn't happen in here.
Test Subject
Original Poster
#11 Old 13th Mar 2026 at 11:16 AM
Okay, so it did happen again in the LC. It broke me a little but also didn't as I had narrower range of suspects due to my cc being all new. Also it made me sure that it was a problem with a mod, not with my game.
I started over with my download folder when it comes to cc, but I copied some of the previous mods that I thought were safe. It turned out it was a problem with custom sliders. I had 3 or 4 packs from different creators (simNopke, mmnt, digi, CandK according to the files). I deleted them from my game and cleaned the cache, but ofc I was scared to check if it went away so I asked my friend to check it for me.
I sent her those sliders, she put them into her own game, and the same glitches happened to her. For anyone interested:
1. Sims from mixed genetics were dissapearing
2. They were showing up in the back of cas
3. Game thought that teenagers were children (teenagers were bending down like in the previous screenshot. They had teenage bodies, but animations and aspiration were from children)
4. Game thought a female sim was male (body of a female, but male animations)
5. When she accepted the broken sim, it didn't appear in the second room of cas
6. She accepted a boy, yet game thought it was a girl
7. They worked normally when she accepted them to the game
That one time when it happened without any mods must have been my cache files.
I'm relieved I found the reason of this glitch. Thanks for trying to figure it out with me <3
Screenshots
the rising summer sun
retired moderator
#12 Old 13th Mar 2026 at 4:40 PM
Blimey, which sliders exactly did you have installed? I've been using slider packs from Nopke, memento, Digi and C&K for ages on disk install and never had an issue.
Test Subject
Original Poster
#13 Old 13th Mar 2026 at 5:39 PM
Quote: Originally posted by simsample
Blimey, which sliders exactly did you have installed? I've been using slider packs from Nopke, memento, Digi and C&K for ages on disk install and never had an issue.

I had these:

https://modthesims.info/d/610527/24-sliders.html

https://modthesims.info/d/593107/20-sliders.html

https://digitalangelsblog.wordpress..._medium=organic

https://crispsandkerosene.tumblr.co...ble-in-both-cas

https://sims-2-sliders.tumblr.com/p...because-you-can
Mad Poster
#14 Old 13th Mar 2026 at 5:58 PM Last edited by simmer22 : 13th Mar 2026 at 6:37 PM.
I'm using the UC and have tried several slider mods without them causing any issues (reasonably sure I've tried out some of the above ones, too). Not sure what was happening before the LC in your game, but I'm guessing it could be an issue with the LC.

There's a reply from Nopke on the last comment page here: https://modthesims.info/d/593107/20-sliders.html

Quote: Originally posted by kentuckyfriedsims
I really loved these with my The Sims 2 Ultimate Collection, so I hope it gets updated for the Legacy version that came out Jan 31st 2025, because I tried it with it and it doesn't even show up, nether this one or the other 20 sliders are currently working with it. So just hoping it does get updated, since EA didn't include Body Shop with the game, so this is only way I can have extra sliders to make unique Sims. Actually I would also love if you added the one that come with Body Shop to these and make them work with the Legacy version.


Quote: Originally posted by Nopke
[...] I hope one day I can get my sliders to work with the base game. I hope it will make them work in Legacy Collection as well.
Test Subject
Original Poster
#15 Old 13th Mar 2026 at 6:10 PM
Quote: Originally posted by simmer22
I'm using the UC and have tried several slider mods without them causing any issues (reasonably sure I've tried out some of the above ones, too). Not sure what was happening before the LC, but I'm guessing it could be an issue with the LC.

There's a reply from Nopke on the last comment page here: https://modthesims.info/d/593107/20-sliders.html

My pirated version was UC, my friend has legal UC, so I don't think it's a problem with LC specifically. Maybe some sliders were conflicting with each other?
Mad Poster
#16 Old 13th Mar 2026 at 6:38 PM
Maybe. Could also have been some borked files or a borked install.

You don't happen to have had some items by Lindasim, by the way? There were some borked files in there that did a number on people's games (dogs walking on two legs, among other things).
Test Subject
Original Poster
#17 Old 13th Mar 2026 at 7:15 PM
Quote: Originally posted by simmer22
Maybe. Could also have been some borked files or a borked install.

You don't happen to have had some items by Lindasim, by the way? There were some borked files in there that did a number on people's games (dogs walking on two legs, among other things).

No, I don't have anything from her. I know her cc causes issues in people's game.

Just to clarify - When I sent those sliders to my friend, I sent her my exact folder, not links to the creators page. I know mods/cc shouldn't be shared like that, but that was only for a test of this glitch. Maybe some sliders are conflicting with each other in general, but maybe it was only a problem with my files. Like you say - borked files or borked install
the rising summer sun
retired moderator
#18 Old 13th Mar 2026 at 11:12 PM

I have all of those in-game, no problems here and I shared a hood with sims made using most of these too. How very odd! Just to check though- do you have your graphics options for sims set to high?
Mad Poster
#19 Old 14th Mar 2026 at 12:59 AM
Maybe it's some kind of reset error ("jump bug"), caused by an incompatible mod?

Have you tried with only the slider mods (empty Downloads folder except the items you want to test, cache files deleted), and with graphics on high?

Also, have you made sure to set up your game properly?
I once had issues with sims' bodies, heads, and various other items disappearing, when I'd just installed the game on a new computer. Turned out it wasn't reading the graphic card properly. It also needed the 4GB patch. After that the game worked great. I think the LC is supposedly already set up for graphic card compatibility and 4GB, but doesn't hurt to check if there are other things that need modifying. If other things in the game isn't showing up as it should, it's often the setup or settings.

Again, for LC, the sliders might not work (as per SimNopke's comment), but that could be due to the core of the LC game has been modified since UC (and other versions).
Test Subject
Original Poster
#20 Old 14th Mar 2026 at 9:53 AM Last edited by oliwkasliwka : 14th Mar 2026 at 10:06 AM.
I was wrong. It's not custom sliders. I don't know what causes this and I feel lost rn.
I checked it without any custom sliders in my game - it still happened.
As it happened in mine and in my friend's game, I thought it must be a mod that we both have. So I asked her to check it with me. It happened in her game even when she took out her entire download folder, cleaned cache, we even tried cleaning up thumbnails and savedsims. It still happened. She has UC and 4GB patch.
We also discovered some new glitches:
1. When sim showed up in the back of cas, my friend wanted to spin him around. Instead of spinning him, she spinned the whole cas camera.
2. It seems to only happen at the last undo
3. When she wanted to put make up on the borken sim, the camera borke and got out of cas
4. Once the camera borke, the plumbobs in the neighborhood camera dissapeared. They showed up after she load the game again
Is it possible that a specific mod corrupted our game files? I have no idea which mod could have cause that, as I use most of them for 6 years now and I never had an issue, or have new ones. At first I thought it might be a problem with this mod https://modthesims.info/d/606836/pr...l-activity.html but no one in the comment section mentioned a problem like that, so I don't know.
We use GunMod's camera mod.
We're gonna try take out our download folder, clean cache and fix the game through ea app/steam (her game is on ea app, my game is on steam). I'll let you know if it happens again then
Screenshots
Mad Poster
#21 Old 14th Mar 2026 at 11:19 AM
Maybe 'Undo' is just bugged. Does it happen if you don't try and undo anything?
Mad Poster
#22 Old 14th Mar 2026 at 12:43 PM
I've played around in CAS and that only even slightly odd thing I managed to get to happen is that if you create child using the pacifier and then undo all the way back to the beginning you get to a state where there's no sim at all and the menus are blank and the camera doesn't focus correctly. But as soon as you hit redo, the sim reappears in a normal state and clicking on the menus puts the camera in the right position again. Nothing else funny happens at all.

So I think the problem is either your camera mod, or the Legacy.
Mad Poster
#23 Old 14th Mar 2026 at 1:12 PM Last edited by simmer22 : 14th Mar 2026 at 1:33 PM.
Which version of GunMod's camera mod? There are a few different ones, and there have been issues in combination with other mods (Skyfix, I think, possibly others). Any mods that go in the install files (lighting mods, for instance) or that globally modify other things (camera mods...) are likely to cause issues with Legacy, especially if there are also incompatible mods present.

No idea if current camera (or lighting) mods are compatible with Legacy, but unless spesifically stated that they are or aren't, I think you can assume they are more likely to cause problems than not, and bugs that start happening after introducing them are also likely to come from those mods.

Have you tried restoring the original camera files (assuming you have a backup of the Legacy files)? Do so if you can (+delete caches), and see if that does anything to fix the bugs.

LC seems to be chronically infested with new bugs, and the more they try repairing it, the more bugs pop up, so it's very likely your game is suffering from general LC bugs. As for your friend with UC, if they can only replicate a few of the issues under similar circumstances but their game is fine otherwise, it's most likely mod-related and possibly also LC related.

Have you tested LC without any mods at all (clean install, empty Downloads folder), to see if any of the issues are happening unmodded? Then slowly adding in one or two mods until you can (or can't) replicate the issues? This would give you a better idea of what's actually causing the problem, and whether LC is involved or not. Mod incomoatibility with LC could also be an issue.
(You can backup your current game and downloads so those won't be affected).

--

I can safely say I have not seen any of the above issues with UC, unmodded or with my current mods. Can't remember which camera mod I'm using, but the files say 2005 so it's probably an old one (still working fine, somehow ), and I'm using Dreadpirate's version of Gunmod's lighting mod: https://dreadpirate.tumblr.com/post...tem-25-now-with
Test Subject
Original Poster
#24 Old 14th Mar 2026 at 3:13 PM
Uh, I don't really remember which version was it. I'm not sure but I think I kept the original CAS camera as I had problems with a resolution in my cas in LC, it's possible I changed only live mod and neighborhood camera. I will have to check that, so I'm gonna answer your questions about a GunMod's camera mod and do a couple of more tests in a few days, so that's when you can expect updates in here from me. I want to meet with my friend and do those tests with her on both of our computers. She keeps laughing at those errors so it helps me overcome my fear of it lol.

Also, I had a feeling I already saw this camera bug somewhere. It was here https://youtu.be/vKmjk8OHG-8?si=Zvl_5gcxvt_DpLvk&t=896 and here https://youtu.be/0YIydNxmE-Y?si=jjeYjc3AgnWFpHN-&t=846
I don't think it will help, but I thought I'll let you know. I understand why it happened in Calipers and Tongs's game, as she was destroying her cas on purpose, but I don't know what could have happened in mine and my friend's game. Maybe it is an undo bug, as it happened only when undoing a mixed genetics sims, but I don't know. Like I said, I'll let you know in a few days

Edit: is it possible that it might be a problem with an edited graphic rules file? I edited mine to change the resolution in LC, like I did in my pirated UC, then I read somewhere that LC reads graphic rules differently due to the game being adjusted to newer computers.
Mad Poster
#25 Old 14th Mar 2026 at 5:09 PM
Mixed genetics, as in what's mixed? Skin? Eyes? Hair? Faces? With CC or without any CC?

That person did a bunch of things to mess up their CAS, but it does seem like you've had similar things happen. I'd still think it's likely to be the camera hack, and possibly something causing errors in CAS (hence why you should check if it still happens without ANY CC/mods).

If you've made edits in the GR file that aren't compatible with the LC, then that could be a potential issue, though the resolution shouldn't really affect anything other than the resolution/UI/similar. I doubt it would affect sims directly. The only way I can think of would be if you've got settings on low and are using CC, since a lot of CC is dependent on high graphic settings, though it would be more visual glitches (CC textures and meshes showing up wrong or invisible), not sims glitching as if their age is affected.
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