A joke

This company s a joke..... They have been sending me emails and sms for months now about an outstanding amount owed on a ONEPLAN acc..... Oneplan has sent them numerous emails telling them this is an error on their side... They have cc me in on emails... But still..... NUDEBT SENDS E SMS AND EMAILS OR FINAL DEMAND... EVEN THOUGH NUDEBT THEMSELVES EMAILED ME A MONTH AGO APOLOGIZING FOR THE INCONVIENANCE AND ASSURING ME THAT THIS WILL BE SORTED OUT AND I WON'T HEAR FROM THEM AGAIN... YET... TODAY ANOTHER SMS