Can't help a customer and not resolving system issues

<p>I Went to KFC Silveton Village (new branch in Silverton) on 14/03/2017 do buy kfc with a voucher the manager could not even help me he says it's the system i ask call another branch they might be able to help you he then called his IT department and they could not help, i got fed up WALK OUT and called KFC customer care to complaint they gave me a reference number on Wednesday KFC Customer care called me to resolve the issue and to hear further the issue they told me i can go back they will be able to assist me, i went back today 19/03/2017 and still they can't help me i even called customer care in front of them and nobody able to assist me got fed up walk away for the 2nd time. MORAL OF THE STORY IS KFC SILVERTON VILLAGE BRANCH DON'T WANT A JOB OR WANT CUSTOMERS.</p>