Unfairly treated at mams mall branch

I went and bought some usn supplements in that supplements there were voucher stating that you have one month free membership, I went to the club 4 times 9/03/22 was my fifth time. On that day I spoke to Itu, advising me I come continue for amount while they are fixing my membership I said OK. Today morning when I entered the gym the lady called me by my Name Nelisiwe right I said yes. Then she continued telling that I'm not allowed to come to the gym simply because I'm owing now is now about the voucher, I asked to speak to Itu they advised that he was in the meeting.wherelse I was to ask for Itu when I come for gym the following day.