Quote Originally Posted by bstullkid_771235 View Post
this happend to me twice going from star 8 to star 9, and then once when using purple badges to get above 9. It would be SUCCESSFUL (yay happy) then i close my heroes panel and the upgrade would be gone. Very frustrating considering how much I spent getting those high stars.
The exact same thing happened to me but I didn't have screen pics, so I thought I was out of luck.