San Van Bucks bug -200? After paying for 7700 San Van Bucks..

I bought San Van Bucks on the 24th and everythign was fine then I was about to purchase something then didnt fully hold a now I have -200 San Van Bucks I had 5700 to -200

I can handle every bug that losing San Van Bucks and then it saying -200 + not working is not acceptable. Fix this now!