my account on hold

ABSA BANK HAS DISAPPOINTED ME. I WONDER HOW THIS BANK WORK? I WAS SUPPOSED TO RECEIVE A PAYMENT FROM A CLIENT OF MINE FROM NEDBANK ON THE 30TH OCTOBER, FOR SOME REASON THE PAYMENT DID NOT COME THROUGH TO MY ACCOUNT, AFTER SOME DAYS MY CLIENT TOLD ME THAT THE TRANSFER CAME BACK TO HER ACCOUNT, WHICH I LATER COLLECTED IN CASH FROM HER DUE TO ABSA BANK MY BANK BLOCK MY ACCOUNT WITHOUT CONSULTING ME NOR CONSULTING MY CLIENT BANK TO FINDOUT THE REASON, IS SO UNPROFESSIONAL FOR A BANK LIKE ABSA TO TREATY THERE CLIENTS LIKE THIS.