Crashing
I haven't played the Sims 4 in almost a year due to having a baby. I finally got the chance to log in today and had my heart set on building a house from an inspiration picture. I spent literally an ...
Forum Discussion
brugernavn21 Your issue sounds somewhat like this, although it might not be a perfect match:
https://answers.ea.com/t5/Bug-Reports/NEEDS-SAVES-Can-t-make-changes-to-build/td-p/13291226
From what I've seen, Build mode bugging out in general has become somewhat more common recently, and there's no obvious explanation for it. The trigger might be related to changes that came with the For Rent patch (last December) and that broke some previously-working builds as well, but I don't know for sure. Point is, this is an ongoing issue with no clear fix or workaround; the only way forward is to save early and often, and keep backups.
The sims you created should be intact in your Library. If you don't see an intact save when you load the game, create new sims and place them, then check your Library before entering Live mode.
And congratulations, and I hope you're getting at least a little sleep by now.
