[RL] Save Error 423:<various numbers>/Issue with Secret

Hello,

I am experiencing major save issues in my game. I have already had many problems with saves failing after around 15 hours of play (for example, animals dying in “Cottage Living” where I could no longer save because the event gets stuck).

Currently, I am playing a game with the Heritage & Royalty pack. This save was working fine until the moment I tried to save and received the following error code: Error 423 (see attached screenshot). After about 15 hours of play, the save stops working completely.

I have tried many fixes: creating a new “The Sims 4” folder, cleaning my save folder, clearing the cache — nothing works. I have contacted EA twice for help, but either I get no response or they send generic technical solutions meant for other games, not The Sims 4.

I want to clarify that I have no mods or CC, and I make sure not to overload my game (I organize inventories, do not play with huge households, do not accumulate NPCs, and I don’t make overly large or cluttered houses).

Has anyone else experienced this issue?

Thank you for your help.