@PugLove888 So I tried today with an old save of a big human family, I waited for the toddler to have her birthday and I was able to throw a birthday party normally. I do not have time to test with more saves and more ages of sims right now, but it seems that the problem is indeed with vampires. However, not only teen vampires as you sugessted, but also toddler and children.
@Anaideiae, thanks for replying! 😇 So, something is certainly wrong with Vampires and birthdays! 🤨☹️
This thread might be combined with a similar thread. 🤔
