Double charged for credit card transactions

Absolutely pathetic service. I am being double charged for transactions on my credit card that I have already paid for. I upgraded my account from aspire to premier and was told that I can continue to use my aspire credit card until I receive my Premier credit card which I did. All the transactions executed on the aspire credit card were moved over to my premier credit card which makes sense, however two transactions that I executed last week Saturday using my virtual card amounting to R8.99 and R156.86 are duplicated on my account meaning that my available balance is reduced by that amount. I pay off my credit card in full after each use to easily keep track of my transactions so I paid this off in full on Monday evening. I even logged into my online banking via desktop and checked my transaction history and everything lines up, everything I deposited into my account is greater than what I paid out, so it makes so sense as to why this is happening and why my available balance is reduced. Please resolve this asap, and to all the potential clients out there who actually have money saved in their account, I would advice that you move your money to another bank to avoid being ********** by FNB.