Weird issues with my save [ Edited ]

[Plantyl]

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? 1.66.139.1020
What expansions, game packs, and stuff packs do you have installed? Every pack except Nifty Knitting; I have Eco Lifestyle disabled too.
Steps: How can we find the bug ourselves? There are two issues: 1 - When saving the game 2 - When reloading a lot that you just edited
What happens when the bug occurs? The attached videos will show you the problems.
What do you expect to see? Hopefully, it can be saved properly.
Have you installed any customization with the game, e.g. Custom Content or Mods? Yes
Did this issue appear after a specific patch or change you made to your system? Yes
Please describe the patch or change you made. After updating my game to the lastest patch Sep 3rd, 2020

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Hello, I'm currently having a couple problems with saving my game and editing a lot. This first problem is that this particular save cannot be saved properly, i.e. I had a sim walk from the kitchen to the bathroom; I clicked the save button before I went to the main menu; I reloaded the household to play and that sim was still in the kitchen instead of the bathroom. The second one is kind of similar to the first. In the save, no matter how much I edit a lot, it always goes back to the original form.

The first problem started occurring immediately after I've updated the game to the lastest patch (Sep 3rd, 2020) however, I noticed the second one way before I updated the game (probably 5 months ago.) It usually happened with some lots, especially that bar in Sulani. At first, it was not a big deal for me as I could edit any other lots and everything added remained. But now it happens with every lot in this save.

I've already tried everything I could do such as removing MCCC, WW, the pose player, the teleporter, etc; or even updating all of them but nothing seems to help.

Down here are the videos showing you what I mean.

1: https://youtu.be/gtNfc4NHqho

2: https://youtu.be/ruOWOVvPjPw

[crinrict]

HI @Plantyl 

Try resetting your user files as described in the factory reset described in this post: http://answers.ea.com/t5/The-Sims-4/FAQ-Troubleshooting-Steps-amp-Known-Issues/m-p/3621199

You won't loose anything. Just make sure to not delete any files  and make a backup.

After renaming, repair your game by right clicking on the game in Origin.

Try on a new game with nothing added back first (start new game). If it works, put back your save game and try again. If it still works, you can start putting stuff back.

• Options.ini (or just re-set all your settings manually)
• Tray Folder
• Screenshots/Videos/Custom music
• Rest of the save games (leave out slot_00000001.save which is the autosave and no longer needed - if you still have it)
• Custom content like clothing, hair, skins, make up ....
• ConfigOverride, if you have your own configuration files.
• Mods (one by one, making sure they all still work)

The rest does not need putting back, cause they are mostly cache files that recreate or log files that are not needed for the game.