Vodacom help me please

Good day I want to put a complaint on here about vodacom. I have been trying to get a hold of them for a while now about my contract that went seriously in to ereas for months now. The just keep on telling me that they can't see my account then tell me that it's sended through to VVN so I have contacted them as well and they also tel me that they can't see my account and as well my number same as vodacom so I'm really looking forward to sort it out and make arrangements to pay the outstanding amount. My question is how can they keep me liable for something they can't see on their system and it keeps me from upgrading my life I don't qualify for anything loans finance or anything else I'm really fed up with them please vodacom help me make arrangements. Thank you so much And they deleted my number from their system as well so how will they contact me is my other question. My new number is ***