old Debt that cant be settled due no information from Capitec.

My account apparently has been handed over to Real people that is in 2010 and I have been in contact with Capitec to advise them that the above company company details don't go through, you cant reach them at all and I need to pay that balance they say I'm owing as they say. This is since 2014 ive been trying to call and pay but no luck , How am I suppose to pay this account if the lawyers you referred the account to dont even exist .