Disappointed

CHECKERS XTRA SAVINGS: Happy Birthday! Celebrate with a FREE KitKat 41.5g, 40g OR 42g. Swipe in-store or via Sixty60. Valid 14 days. T&Cs apply. STOP to opt out I received the above sms and went to wonderpark Checkers to redeem and I was not assisted as they said the system doesn't allow them and they cannot overpriced to zero the manager Brian said he doesn't know how to assist me. I suggest you do not send such sms if you cannot deliver