Standard bank

Good day. I would like to complain about standard bank customer service and treatment of my account and myself as a standard bank account holder. Last week Friday I received 100k from a customer of mine who purchased a polo vehicle from me and on Monday I noticed that my account was blocked by standard bank and I called them for clarity, I was told the person who sent the money to me needs to call standard bank and do payment confirmation then my account will be cleared, I went back to the person who sent Mr the money and he called me yesterday twice telling me he has done the payment confirmation with standard bank of which I called them back to notify that the payment confirmation had been done the lady indeed confirmed to me the payment confirmation was done there I should wait because the matter has been escalated, this is the second time now standard bank has done this sort of thing to me and I really feel like they do not value me as a customer and always go put of they way to make me feel like an outcast.