Standard Bank Debits after settlement of account

Please be aware when dealing with Standard Bank. I paid off and closed a personal loan in February. Spending hours in Standard bank to get a settlement balance as the week before trying to do this telephonically did not work. The debit order did not go through my account end of February. Presumed the account had been closed as per in person at Standard bank and via emails and telephone. However Standard bank has now debited my bank account end of March. I called Standard bank loans and was told not able to assist must go to a branch. I went to my bank who has informed me that I cannot stop the debit order this has to be done by Standard Bank. Went to Standard bank and was told I had to sit and wait to see a consultant. This would have been another hour wait, unfortunately I have to work and cannot sit and try and resolve something I already have dealt with. I have emails between Standard Bank and myself confirming closure of account. Next step reporting to Banking Ombudsman.