Downloaded the hotfix update for TS4 06/03/25, and launched the game - no issues whatsoever. Completely fine. Playing with mods, CC, whole shebang - fine. Got my teen aged up to YA (I play generation...
Ideas
Hi SimsLover8792, it is the Royal Family mod. At least, it was for me.
This is what is was for me. Thank you for figuring it out!