Standard Bank linked Incorrect Acc to my ID

I used to have a credit card with Standard bank and I paid it off and closed it in 2014.<br> <br> Earlier in 2015 I received an sms from standard bank that I had a credit card owing. I called them to confirm that I had received a paid up letter. Than they referrring to me with a different name, i corrected them and asked them to confirm which details they had on the system. They confirmed that there was another person with the same ID as me. I ask them to go back and have a look. A week later I called in and they confirmed that there was some one esle with the same ID num who was owing on the credit card. I asked them to please resolve this issue asap and they confirmed that they would.<br> <br> Naive to trust Standard Bank