I'm afraid your save is corrupt and can't be recovered, try here, there are saves there from version 0.83 onwards
https://f95zone.to/threads/man-of-the-house-save-request-thread.13696/
Go with
Faerin wrote this in the changelog, so he hasn't abandoned it, it just maybe a while for the next update
Hey guys, the final version of Man of the House is finished!
Like I said before, this doesn’t mean there won’t be any future updates, but for now I will start focusing on the development of my new game.
What does her hint say