Next day 12:32 freeze

I updated all of my mods after the update. Did my tests and everything was fine. But every established save I have freezes at 12:32 the next day. I tried getting rid of mods I didn't necessarily need. I tried turning off mods. I've deleting cache. I've tried repairing. I don't know what else I can do. There is a save that I cannot lose because I am doing a decades challenge I have been working on for a year now.