[PC/MAC] Game couldn't save due to error 13

Hi q8z2vzzop9m9​ 

do you mean you have no mods/cc at all or just not the ones that were mentioned in connection with this error ?

If you have none, do you have any LastException files in Documents\Electronic Arts\The Sims 4 ?

- Delete the ones you have
- Trigger the error again
- Check if new ones are created
- If that is the case, please copy/paste the content here. You can open the file with any text editor.

Deleting the file won't fix your issue. Posting the info is meant for troubleshooting. 

I just got an Error Code 13 when trying to save my game. The game I was trying to save, is a new game on a new save file I just created today in order to play the Forever Friends event. I have no mods or cc. I believe I'm playing on a Windows 11 PC. I do own add-ons. I am repairing the game right now. I have 43 add-ons, which include: The Sims 4 Holiday Celebration Pack, The Sims 4 Spa Day, The Sims 4 Get Together, The Sims 4 Movie Hangout Stuff, The Sims 4 Dine Out, The Sims 4 Romantic Garden Stuff, The Sims 4 City Living, The Sims 4 Kids Room Stuff, The Sims 4 Backyard Stuff, The Sims 4 Bowling Night Stuff, The Sims 4 Cats & Dogs, The Sims 4 Parenthood, The Sims 4 Fitness Stuff, The Sims 4 Toddler Stuff, The Sims 4 Seasons, The Sims 4 My First Pet Stuff, The Sims 4 Island Living, The Sims 4 Discovery University, The Sims 4 Tiny Living, The Sims 4 Snowy Escape, The Sims 4 Nifty Knitting Stuff Pack, The Sims 4 Cottage Living, The Sims 4 Dream Home Decorator Game Pack, The Sims 4 Blooming Rooms Kit, The Sims 4 Carnaval Streetwear Kit, The Sims 4 High School Years, The Sims 4 Little Campers Kit, The Sims 4 Growing Together, The Sims 4 First Fits Kit, The Sims 4 Desert Luxe Kit, The Sims 4 Horse Ranch Expansion Pack, The Sims 4 Everyday Clutter Kit, The Sims 4 Simtimates Collection Kit, The Sims 4 Bathroom Clutter Kit, The Sims 4 Home Chef Hustle Stuff Pack, The Sims 4 Poolside Splash Kit, The Sims 4 Modern Luxe Kit, The Sims 4 For Rent Expansion Pack, The Sims 4 Lovestruck Expansion Pack, The Sims 4 Storybook Nursery Kit, The Sims 4 Artist Studio Kit, The Sims 4 Comfy Gamer Kit, and The Sims 4 Businesses and Hobbies Expansion Pack.

How did I encounter this? Today (Wednesday September 24th, 2025), I created a young adult sim, a child sim, and an infant sim. I started a brand new game on a new save file to work on the Forever Friends event. I managed to complete week one but decided to keep playing with the family I was using. I noticed things going wrong when I had used Cupid's Corner to find a sim to meetup with. My child Sim was at school, so I traveled to meetup with the sim I met on Cupid's Corner, that action sent my infant to daycare. At the meetup location the game was being slow and not responding. I would have actions for my Sim to do and she would keep freezing and just standing there not completing the action. I kept pausing the game and  un-pausing it and oddly enough it would help the sim finish the action she was doing. It still went slow though. Eventually I parted ways with the Sim I was hanging out with and went back to my Sim's house. My child Sim did homework, while my adult sim practiced sitting up with my infant sim and I noticed the game would make the (sound effect/music) and do animations as if my infant achieved the sitting up milestone but the popup notification saying the milestone was achieved never came, and my infant never sat up. I have my infant practice tummy time and a similar thing happened; the game acted as if the infant achieved a milestone but nothing happened. I also noticed my child Sim never got the "first day of school" milestone. I decided it was time to log off the game and try again later and that's when I discovered it would not save.

Skybear47​ Did you get any exceptions (see below/above depending on your sorting)

Hopefully error codes always get top priority, regardless of upvotes, because this is a huge issue if you can't save the game :(

LadyAofPineapple​ Please provide the info asked if you have this issue. Error 13 have been mod related for most people so upvotes can be misleading.

Unfortunately OP hasn't come back at all and no one else has provided more info.

Hi Crinrict, it's not me, but my daughter, so I'll have to ask her if she ever got it fixed. But if it's mod related, that's good news. I was more or less just pointing out that the save error codes should get higher priority since it affects whether or not you can save your progress. Other bugs are annoying and should be fixed of course, but it's a huge problem if someone's save gets lost. Thank you, and have a great night!

If yours isn't mod-related, can you respond to crinrict? :)

LadyAofPineapple​ 

Unfortunately these save errors are also pretty generic. So it's really hard to tell what's going on without further info.

Game breaking issues do usually take priority but can take longer if they are complicated.