November 2019 - last edited December 2020
If you are on a Mac, please use this thread: 'Game Data Incomplete' and Grey Llama Thumbnails Replace Lots
Steps there are a bit different as the repair on Mac currently only repairs the base game.
Symptoms of this issue
This seems to be a rather common issue and seems to affect cc and not cc although it does seem only to occur on games that had cc in at one point.
Suggestions how to solve this
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I am really confused as to why my saved sims now have coloured patterns on their skin and question marks. Even when I try to create a new sim the same issue occurs. Also there are question marks everywhere as you can see in the screenshot attached.
Hope you can help
October 2019 - last edited October 2019 by crinrict
I am having the same problem. I updated my game yesterday after not playing for a couple of weeks, and suddenly my CAS has gone haywire. I have no CAS CC, but some CAS clothes/makeup/hairs are causing the checkered question marks to appear. Also if my sim sunbathes, instead of the usual tan, my sim turns completely black. The only thing that makes sense for me is the last update. I had played several times since uploading realm of magic, so I know that hasn't caused it.
I moved your response and replies from this post to a new one to avoid necroposting. Be sure to look for posts that are more recent or create a new post going forward. Because of game updates some bugs or workarounds in older posts may not always work and the original poster has likely moved on.
Ever since the new update my sims have black squares and question marks all over them. i went onto cas to cheek it out and it's on every sim i have, even my saved games. it's only on the sims body not their hair or clothes, but when i have hair on the eyes and part of the hair goes red.
I have never had any cc or mods and have a few packs. i've tried turning my computer on and off and that didn't work. i keep trying to un-install it but it won't let me. it also won't let me 'fix game'.
October 2019 - last edited March 2020
Please try rolling back to a previous save to see if the issue is removed then (A save from before the issue appeared.) Directions: https://sims4.crinrict.com/eng/2014/09/save-games/
If the issue remains, please try the following:
After this see if the you are able to repair the game in Origin now. If the option is there, please run the game repair. [ Open Origin, click 'Game Library' then right-click Sims 4 > Repair Game ]. Make sure to let it run until it has completed all repairs (it will do the base-game first, then run through each of your expansions/packs).
If none of this works you could try setting your game graphics to ultra and see if this makes a difference. (In your game, go to Main Menu > Options Menu > Game Options > Graphics > Display > Graphics... and in the drop-down selector choose "Ultra".)
Let us know how it goes! Thanks!