False adverti*****t by mugg and bean

I received a birthday cake reward on my birthday went to mugg and bean Harrismith the stuff tried to assist redeeming it and the system was kept on saying voided. To my disappointment the manager called Bongani came redeemed all my points accumulated and said I must pay the cake with cash. I was very disappointed with the manager and mugg and bean as they I was treated. They lack customer service and support and they are very rude. I hope they change their attitude cause mugg and bean is my favourite shop and the false adverti*****t of getting a piece of cake as a spoil is false.