Multichoice when are you attending my problem

2 decoders are reflecting under my name with a debt of R4000 in arrears, funny enough the serial numbers show that they have been allocated to different people yet they expect me to pay them. I have called them so many times and always told to go to my nearest multichoice and yes I went every week I'm there and I'm always being told that an email will be sent for escalation.....multichoice is failing me this is no longer customer service but abuse my life is a standstill now because I'm having a bad credit record cause of this