ID number mistake and not even rectified

The is a guy who is assisting customers to open accounts at jet westgate I opened my account last week Sunday went fetch my card yesterday it came to my attention that the guy captured the wrong ID or date of birth on the system it shows that I am 101 years I went back to the store for him to change it but no he keeps saying he captured the right ID number please try to get people are trained for this you can’t make a mistake with an ID and then be rude or not helpful when you must rectify the mistake my query was not resolved even now Nkosinathi mathaba from jet westgate is the one who did all this mess