payment not allocate after 26 days

I did an EFT payment on 2015/10/01 to my Standard Bank credit card they start phoning me that they did not receive it on the 7/10 I send them prove of payment and they gave me a ref nr *** and told me the money Will be allocate Manually to my account by the 12/10 I went to the Worcester brach on the 16 /10 to show them the proof of payment they phone creditcard devision and sent them the proof of payment again . the allocation is still not been done and they phone me daily to told me that my acount is overdue.