[ARCHIVED] [HR] [CD] [CoL] All animals aging up/dying (aging turned off)

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? I don't know. It's up to date.
What expansions, game packs, and stuff packs do you have installed? Most of them.
Steps: How can we find the bug ourselves? I have animal aging disabled, and when I load my last game all of my rabbits, cows, and llamas die at once.
What happens when the bug occurs? I have animal aging disabled, and when I load my last game all of my rabbits, cows, and llamas die at once. The grim reaper appears but I exit the game without saving.
What do you expect to see? My animals to not age and die.
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? Yes
Please describe the patch or change you made. I noticed this appeared with the latest update.

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I have animal aging disabled, and when I load my last game all of my rabbits, cows, and llamas die at once. The grim reaper appears but I exit the game without saving.