Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Every time (100%)
What is your current game version number? 1.58.63.1010
What expansions, game packs, and stuff packs do you have installed? All expansion packs except Discover University, all game packs except Spa Day and Jungle Adventure, and only Laundry Day, Fitness, Glamour and Romantic Garden in stuff packs
Steps: How can we find the bug ourselves? Have a Mermaid and a Vampire have a baby and when a teen, have him take one or several bath
What happens when the bug occurs? The clothes are wrong, sometimes the sim is nude, sometimes he wear an ugly hood sometimes the mermaid tails does not disappear when on land sometimes it even misses his legs. I can't change that even if I reset the sim, modify in CAS or try to change the clothes.
What do you expect to see? Normal clothes and legs
Have you installed any customization with the game, e.g. Custom Content or Mods? Never used.
Did this issue appear after a specific patch or change you made to your system? Neutral/Not Sure
Okay so I tried to make a Vampire-Mermaid hybrid. So the pregnant father was a Mermaid, and the other father was a Vampire. When the baby turned adult, he was a vampire-mermaid, no problem, but when he took a bath, he was wearing an ugly hood and I could see his legs, but they were in the same position as a mermaid (but without the mermaid tail). A few bath later, his legs were completely missing even after the bath, and he kept this ugly hood forever. At the beginning of this strange transformation I could get the normal clothes back by "turning into dark form" but it turned out completely useless afterward.
Now this sim had 3 kids with a spellcaster. Everything was fine at the beggining but when turned teens, they all had similar problems. They are not all vampires (only one on three) since apparently they can't be vampire-mermaid-spellcaster, but they're all mermaids. I tried to use cheats (modify in CAS with full edit mode, reset sim debug...) I can't get them to wear normal clothes.
I hope their children will be fine.