why does my sim in CAS in the nighttime outfit only, keep disapearing

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Rarely (0% - 9%)
What is your current game version number? 4
What expansions, game packs, and stuff packs do you have installed? expansion packs: cottage living, eco lifestyle, cats & dogs, city living, get together, get to work game packs: dream home decorator, parenthood stuff packs: perfect patio kits: desert luxe kit, blooming rooms kit
Steps: How can we find the bug ourselves? I have tried resetting my game multiple times
What happens when the bug occurs? only in the nighttime outfits, does my sim completely disappear.
What do you expect to see? my sim and the clothing options.
Have you installed any customization with the game, e.g. Custom Content or Mods? Yes
Did this issue appear after a specific patch or change you made to your system? No

‌

this is what it showed when i took a screen shot