ACC PAID AND CLOSED 2014 NOT UPDATED ITC

I HAD A TRACKER CONTRACT , IT CAME TO AN END , I CANCELLED IT IN 2014 AND TILL TO DATE IT HAS NOT BEEN UPDATED ON ITC . I HAVE CALLED ON MORE THAN 3 OCCATIONS , THIS IS UNNACCEPTALE , ITC SHOWS MY TRACKER HAS AN INSTALLEMENT OF R220 BUT THIS CONTRACT WAS CANCELLED IN SEP2014 AND I RECIEVED A CANCELLATION LETTER.