Difficulty replaced with Error and saving zip doesn't include any difficulty

[alanmun]

Having an issue where when I save to zip, I have the cover image, Info.dat, song.egg, and no difficulties. My beat map still exists. When I go to the difficulties, they are completely gone. Looks like: https://i.gyazo.com/69560aaf95af8e0ef1ba0ace5c71e9a6.png

[alanmun]

I hope I didn't lose my work :C