All of my saves were delated

I opened sims today and I saw that all of my saves from the game all of my families are gone. Literally every single one is gone I don't know if it only happened to me yesterday everything was fine. Maybe it happened because I got all of my mods to the save file but when i got it back to my mods file still don't have my saves. I know that I prolly won't have them back but maybe someone could tell me is it because of the mods that I transfered or is it something else so I don't make the same mistake in the future.