Game Vault review: Stolen money

I put 25 on my game and I went to play and the screen popped up that there was two accounts being played and my mobey was stolen off my game how should I go about getting my 25.00 back this is ridiculous I want a refund and the platform of gamevault Marilyn's palace online fb will not refund my money so how can I get my money back because I never gave my account out