message invalidWorkModelFault
parts 
invalidWorkModelFault
element ex:InvalidWorkModelFault
used by 
Operation scheduleWorkItemWithWorkModel in PortType WorkItemSchedulerService
Operation getWorkModel in PortType WorkModelBrowserService
source 
<wsdl:message name="invalidWorkModelFault">
  <wsdl:part name="invalidWorkModelFault" element="ex:InvalidWorkModelFault"/>
</wsdl:message>

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