well i cant prove the the money because i dont know how but can i prove that i did have a bank account with the debt card i have in game? do you think that can help?

so i was off when the sever restarted and i have 4000 saved in my bank and when i get back on all my money was gone and the banker says i dont have a bank account when i have the debit card can yall please help?

so i logged on one day and since then i havent been able to sit in any chairs so im afraid to kicked from classes because i cant sit