MY PROBLEMS A LAUGHING STOCK

I FOUND OUT I HAVE AN OUTSTANDING AMOUNT TO BE PAID AT DUT (UNIVERSITY) AND MY ACC WAS HANDED OVER TO CREDITWORX FOR COLLECTION THIS ACC IS FROM 2011 AND I HAVE NEVER RECEIVED SO MUCH AS AN SMS,LETTER,OR PHONE CALL ETC FROM CREDITWORX SO I WAS UNAWARE OF THIS UNTIL YESTERDAY , FAIR ENOUGH I MADE THE CALL TO THE CALL CENTER FOR DETAILS ON HOW MUCH IS OWING AND HOW I CAN PAY IT UP ASAP, I DID GET EXCELLENT SERVICE FROM ZAMA MANQELE AND FULL PAYMENT WAS MADE AND FAXED PROOF OF PAYMENT ONLY TO FIND OUT TODAY WHEN I NEED TO REGISTER AT THE UNIVERSITY THAT MY ACC WAS NOT CLEARED, NOW THE PROBLEM STARTS WHEN I PHONE BACK TO GET THEM TO CLEAR THIS ACCOUNT AND I HAD SHOCKING BAD ATTITUDE FROM THE ANOTHER LADY ASSISTING ME NEVER EVEN GOT HER NAME SHE EVEN LAUGHED OUT LOUD AT THE FACT THAT I WAS INSISTING THEY TRY TO ASSIST ME COZ IF MY ACCOUNT IS NOT CLEARED I WILL HAVE TO PAY A PENALTY UPON REGISTRATION AS IT WILL NOW BECOME A LATE REGISTRATION AS THE SYSTEM CANNOT UNBLOCK ME TO BE ABLE TO REGISTER UP UNTIL THE ACC AT CREDITWORX IS CLEARED, THIS IS DISGUSTING BEHAVIOUR FROM CALL CENTER AGENTS THEY SHOULD BE THERE TO ASSIST NOT TO LAUGH THEIR HEADS OFF WHEN YOU COME WITH A PROBLEM .