Agressive people at Capitec bank bypass if you can

My app does not allow me to delete any beneficiaries or prepaid loaded beneficiaries. I have to go into the bank. IT dep can not help say there is stop orders on then branch checked it there is no such thing. Reloaded app changed phones nothing helps. Staff at President hyper square helped me last tine to delete prepaid electricity. Yeaterday they could not do it again. It has been 2 years with this app problem. Staff becamw aggresive when I explained how I was helped before. Was escalated to IT again.