SUSPENSION OF MY BANK ACCOUNT

GOOD DAY,AM FRANCINA I OPENED A BIDVEST GROW ACCOUNT USED IT FOR 1.6MONTHS THEN I APP**** FOR A PERONEL LOAN FROM A CERTAIN FINAMCIAL INSTITUTION,TO MY SURPRISE AFTER THE FUNDS WERE PAID INTO MY ACCOUNT I STARTED TO REGREAT OPENING A BIDVEST ACCOUNT.THE BANK HAS FROZEN AND SUSPENDED MY ACCOUNT WHEN I CALLED THEY SAID THEY WANT TO VERYFY THE SOURCE OF FUNDS EVEN THOUGH I SENT THEM ALL CONTRACT DOCS REGARDING THE AMOUNT OF MONEY THAT WAS PAID TO MY BANK ACCOUNT,PLIZ HELP ME AM BEING CALLED THAT ALL MY DEBITS ORDERS THAT I HAD SET IS NOT FUNCTIONAL.