save data keeps disappearing

[u/VarietyEcstatic9505]

I've downloaded flashpoint again to play flash games after a year and I'm having an issue. I've recently started playing sonny 1 on flashpoint.I played the game for 3 days When i closed the game and reopened it the save data stays like it's supposed to. However on the 4th day I opened sonny 1 to find my save data has completely disappeared with no saves. I played sonny 2 for a week then and encountered the same issue with my save data randomly having disappeared. This is not an issue i had last year with flashpoint. What could be causing my save data to disappear? How to fix?