I am also have this issue on console - no mods or cc.
Product: The Sims 4
Platform: PS5
Which language are you playing the game in? English
How often does the bug occur? Everytime since October 31, 2023 update
What is your current game version number? 1.102.190.1030
What expansions, game packs, and stuff packs do you have installed? Get to Work, Cottage Living, Discover University, Island Living, Spa Day, Movie Hangout, City Living, Parenthood, Toddler Stuff, Cats and Dogs, Laundry Day, Jungle Adventure, My First Pet, Seasons, Get Famous, Moschino, Realm of Magic, Nifty Knitting, Snowy Escape, My Wedding Stories, Little Campers, Growing Together, Greenhouse Haven, Horse Ranch, Home Chef Hustle
Steps: How can we find the bug ourselves? With a sim that has bought traits from rewards store check the rewards store again and see the bought trait is still available to buy.
What happens when the bug occurs? Bought traits appear still buyable from rewards store..
What do you expect to see? To rewards store to function as it was before. Trait unavailable after purchasing it.
Have you installed any customization with the game, e.g. Custom Content or Mods? No
Did this issue appear after a specific patch or change you made to your system? October 31, 2023 update