Capitec business account

I had a case, Capitec Business account put my account on hold because someone mistakenly sent me money and I refunded them with Cash and in the process, the person had to submit an affidavit stating that I repayed them their money in order for my account to open again. Why when you open my account you take money that does not belong to you??? I repayed them and that means I do not owe them and I also do not owe you, I want my money. It’s mine,...