when i launched my first game that using playfab server
i got very critical problem that daily gem reward system has bug that cause some users take unlimited
gem stone and they spent whole gacha-pong cash items.
so i refunded all of google payed and closed my game and server...
i lost 2800$.
During i have bad days
the other game-dev says
i should "back-server" that could save the game
how can i do this?