You guys called me around November and I ask you w...

You guys called me around November and I ask you what was my outstanding balance you told me then I ask you to debt that remaining amount December and that was done then boom from March I've been receiving calls from VVM telling me that I owe Spitz money then I told them I paid my remining money December then now they are asking where is the full payed up letter that was not even sent to me please fix this mess now