Bad customer service and closure of account without proper consultation exprienced from Jacky Mtsweni of nedbank castle walk pretoria

Nedbank in castle walk small business division (Jacky Mtsweni) closed my business account, I did not receive any notification from them that they intent on closing my account. I just saw an sms stating that it was closed and now I am waiting for a payment from my client but he cannot process since it was closed. I sent Jacky proof that I am waiting for payment but it has been 4 days he has not come back to me. When I called him about the issue he just laughed at me, maybe its because he is serving notice at Nedbank so he no longer care about us clients. this is damaging to my small company. I cannot pay my workers because of this problem, I cannot open a new account I want to use this account because all my clients know this one. My account no is: Tikhula trading ********** 858 phone: ********** 494