message workGroupFault
parts 
workGroupFault
element ex:WorkGroupFault
used by 
Operation endGroup in PortType WorkGroupManagementService
source  
<wsdl:message name="workGroupFault">
  <wsdl:part name="workGroupFault" element="ex:WorkGroupFault"/>
</wsdl:message>

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