FNB HORRIBLE SERVICE

Hi i went into fnb in canal walk to cancel one of my 2 fnb debit cheque accounts as im currently using one of to fnb debit cheque accounts and the consultant cancelled a closed the correct debit cheque account.However without realising i signed and we accidendatly upgraded my currrent fnb debit cheque account to a aspire fusion overdraft account and when i realised my mistake i went to fnb in grassy park the next day 2 April 2025 correct my mistake and down grade my current aspire fusion overdraft account back to my normal debit cheque account and then i got a call from fnb agent today saying i need to pay fee to down grade my account back to my previous debit cheque account