LAW FIRM / DEBT COLLETION FIRM? OR MONEY MAKING?

THIS COMPANY, ON BEHALF OF THEIR CLIENT HAS THE AUDACITY TO SEND THREATENING EMAILS TO MY PLACE OF EMPLOYMENT, DEMANDING PAYMENT OF MY "DEBT"OR SO CALLED DEBT WHICH BY THE WAY, I SETTLED IN FEBRUARY 2021 AND BY THE WAY, WHICH PROOF OF PAYMENT I PROVIDED. THEY HAVE TARNISHED MY REPUTATION. THE SO CALLED APPOINTED MANAGER / SUPERVISOR WOULD HAVE CALLED ME TO DISCUSS THE MATTER, ITS NEARLY A MONTH LATER, AND I AM STILL WAITING FOR HIS CALL. WHAT AN EXCELLENT MANAGER HE / SHE IS BEING INCAPABLE OF DEALING WITH CLIENTS. YET YOU HAVE THE POSITION OF A MANAGER. ABSA HAS THE TENDENCY TO BE RELENTLESS IN PURSUING THINGS THAT ARE NO LONGER APPLICABLE. THE DEBT WAS PAID. WHEN WILL AN END TO THIS BE MADE AND WHY IS COMPANIES LIKE THIS AND THEIR CLIENTS ALLOWED TO GET AWAY WITH WHAT THEY DO.