This issue has been fixed with Patch 1.36.104. All your old saves should be playable. There are other error 102/11 but the numbers after the double-dot are important. Error 102:70c7f9a5 should no longer occur.
On loading a certain save, I get either error 102 (live mode) or error 122 (build mode)
The cause is unclear at this point but it seems to have something to do with broken relationships and deleting Sims.
At this point, there is none. You can try recover a new save via the recover save game function but it might break again.
The best thing to do is save your broken save game to a safe place like an external drive and not play with it until this can be fixed. Backup your entire saves folder found here: documents\electronicarts\thesims4\
Start a new save and do not re-use any Sims from your gallery unless you haven’t played with them. This is only temporary until EA/Maxis can fix this issue.
What info to provide
In order to help the devs fix this issue, it would be great if you could share some info.
You can post in this thread: Error 102/122 and please include a picture of the error message. The whole number is important and it’s tedious to type the it, so screenshot is the easiest way.
Please also share your saves with QA. You can find instructions how to do so in this link: [INFORMATION] How to Send User Files to The Sims 4 Team. There will most probably be no feedback but every save shared can help narrowing down the issue and fix it.
Any additional info you can give is interesting:
- What did you do when it first occurred ?
- Did you do any manual deleting of your Sims or were Sims culled ?
- Does it work if you start a new save with new Sims or do you get the issue again after a while ?