There have been several times when my most recent save files disappear. For example the other day I ended my session by pressing on the save and quit function. When I went back to the game, the next day, there was no trace of the previous 20 minutes of gameplay.
Hey!
Sorry to hear that you are encountering this issue with your saves. Can we ask are you saving locally or on a One Drive?
Are you also 100% on the correct account?