Nedbank did not treat me right

I went to nedbank wanting to change my salary from the other bank to nedbank when I got there a lady named Lethabo in the attedgeville attlyn mall is the one who assisted me she told me to activate my account I needed to deposit R100(before this I asked what should be done we went to kiosk outside try and re apply for a card then she took my ID went inside came out with an account number which I was told to deposit money into I did it immediately) I was told come back the following day to collect my card following day I was told to bring my payslip which I also did again then I was then told that my account had past *****ulent activities I made it clear to her that I know nothing about now Saturday she called whomever she on the call with they told me the same thing and I keep saying to them that the money in my account its my salary it has nothing to do with the *****ulent activities mind you it's festive season I need to buy food for my kids clothes pay rent now it's stationary I'm trying to call since in the morning no one is answering the phone I'm sending emails they're taking their time to respond I need help I don't know if they understand what I'm going through frustrations that I'm being put through because of my salary I've provided proof where the payment comes from with a payslip.