message documentReferenceFault
parts 
documentReferenceFault
element exception:DocumentReferenceFault
used by 
Operation getDocumentMetadata in PortType DocumentService
Operation getDocumentContent in PortType DocumentService
Operation deleteDocument in PortType DocumentService
Operation moveDocument in PortType DocumentService
Operation linkDocument in PortType DocumentService
Operation unlinkDocument in PortType DocumentService
source  
<wsdl:message name="documentReferenceFault">
  <wsdl:part name="documentReferenceFault" element="exception:DocumentReferenceFault"/>
</wsdl:message>

WSDL documentation generated by XMLSpy WSDL Editor http://www.altova.com/xmlspy