Chestnut Ridge Disappeared

A while ago, a duplicate of Chestnut Ridge appeared in my worlds options. One of them was not playable since it doesn't have any playable lots and the other one was normal and it had everything Chestnut Ridge had to offer. A couple days ago, while playing, I went to manage worlds and realized the duplicate was gone, but the one that disappeared was the playable one (with my household in it). My family is still in the library and says they're in Chestnut Ridge, I just can't access that version of the world anymore. I tried to go back to previous saves and nothing happens, don't have any mods and the only cc that I have are the ones that the marketplace promotes. 

I moved my household to Sulani to see if they're still playable and everything ran fine. It's just Chestnut Ridge that is completely gone. 

I cleared the cache and tracked any files from previous mods to remove them but the version of that world is still not back.