Debit order date

Im having a problem with ABSA regarding the debit order date they supposed to debit on the 1 JAN 18 but there debited on the 5 JAN 18 on which our agreement is on the 1 JAN 18.THEREFORE I RAISED THE QUERY AND TELL THEM THAT I WAS HAVING ENOUGH MONEY ON MY ACCOUNT AND I SENT THEM A BANK STATEMENT SHOWING THAT THERE WAS ENOUGH MONEY ON THE ACCOUNT SO NOW IM A BAD PAYER DUE TO THIS OF WHICH WAS NOT MY FAULT AND THIS IS NOT A FIRST TIME AND MOST PEOPLE ARE COMPLAINING WITH THIS SO NOW I WANT THEM TO CLEAR MY NAME ON THE LIST OF THE BAD PAYER BECAUSE THIS WILL AFFECT MY CREDIT RECORD BECAUSE OF THE SYSTEM WHICH IS NOT ACCURATE.