Erranous debit order

My daughter took out a contract. Firstly a week after applying she popped in to find out how far the contract was only to find that the consultant Yusuf didnt submit it. She then contacted store again and was told to come in to finalise on a. specific day but when she got there the consultannt yusuf was off. Eventually a week later she went it again to check status. On that day she finalised everything and ensured on 3 seperate occasions that the debit order must come offon 26th of each month. She evenn had takken witnesses as she didnt trust this slap consultant. He Promised heart and soul that the first debit woukd be 26 nov and would be prorata but include all fees. Too her shock last she gets a notification on 22 nov that she had unpaid debit twice which has messed up her perfect credit. Vodacom.offers no remedy, no apology, or letter of error. The most disgusting service