PTA CBD violated my rights as a consumer

saying that I'm disappointed/disrespected is an understatement. I ordered half and half BBQ chicken and original veggie at the Pretoria CBD branch and I received a BBQ chicken and a BBQ veggie pizza(should I be allowed that flavour to your menu as per Motsamia's explanation. the manager insisted that I received the correct order even after calling the store to clarify this. I've ordered this half & half box before and it didn't look like this. if this is how yall treat your online delivery orders then I'm truly disappointed and defeated