[ARCHIVED] Sims/Pets age up multiple times in a row

Product: The Sims 4
Platform:Mac
Which language are you playing the game in? English
How often does the bug occur? Often (50% - 99%)
What is your current game version number? 1.108.349.1220
What expansions, game packs, and stuff packs do you have installed? Growing Together, Cottage Living, Eco Lifestyle, Discover University, Seasons, City Living, Get Together, Dream Home Decorator, Realm of Magic, Parenthood, Home Chef Hustle, Paranormal, Nifty Knitting, Tiny Living, Laundry Day, Backyard, Kids Room, Romantic Garden, Movie Hangout, Spooky, Holiday Celebration
Steps: How can we find the bug ourselves? Have an infant (or possibly any sim) age up on their own without a birthday cake. After selecting their new trait, they will immediately age up again.
What happens when the bug occurs? The sim ages up at least twice (sometimes all the way to elder).
What do you expect to see? The sim should up only once to the next life stage.
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system? Yes
Please describe the patch or change you made. Lovestruck base game update.

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This has happened to me on two infants in a row: The first infant aged several times in a row until he went all the way to an elder! The second infant aged up twice to become a child. On both sims, I was expected to pick their trait and aspiration, then once the dialogue was closed they immediately aged up again.

I will say that I did age up a sim in the same household with a birthday cake in between these two instances, but as she was aging from adult to elder, she of course only aged up once. I don't know if she might have aged up multiple times if she had been on a younger life stage.