broken save

Hi gang!! Okay... so I think I've totally broken one of my saves, so I'm posting here as a last resort since I'm also extremely technologically challenged. I have a save file that used to have stardew expanded on it. I was married to Lance. My friend and I decided to delete that mod and download...

This has happened to me twice now. I'll be playing for many hours, and then when I try to save the game it will crash. The save file will then disappear from the game. But if I try and start a BRAND NEW save file, the game will crash when saving THAT file too. I was able to "fix" the problem by...