Closed account

I have a problem with this bank they refused to opened my bank account after I tell them about my story I just joined online platform without knowing they are ****mers now I can't use my account and this account it's very important to me I have a small business and many customer use capitec Bank u can't even receive my payment in time because I can't use my account please help me to get my account back so that my business can grow and feed my children