KFC voucher - Poor

KFC Customer Care Case CAS-***-S7X2D8

I redeemed points for KFC via a voucher online. When we got to the till the system for some reason was not accepting my voucher number (i do this every month successfully). We try numerous times but to no avail. Eventually i decide to call KFC contact center, a lady helped me and said she sent it off to client care. After that, all i received was email after email saying they tried calling me. I respond and leave my number with a contact time. But they end up calling 4/5 hours later when i am in meetings. This literally happens daily still with no help. PLEASE HELP ME!!!!!! How is it possible for something this small to take this long?