message invalidArgumentFault
parts 
invalidArgumentFault
element ex:InvalidArgumentFault
used by 
Operation listCategories in PortType BusinessService
Operation queryCategories in PortType BusinessService
Operation listBusinessServices in PortType BusinessService
Operation queryBusinessServices in PortType BusinessService
Operation startBusinessService in PortType BusinessService
Operation updateBusinessService in PortType BusinessService
Operation injectBusinessServiceEvent in PortType BusinessService
Operation cancelBusinessService in PortType BusinessService
Operation listCaseAction in PortType BusinessService
source  
<wsdl:message name="invalidArgumentFault">
  <wsdl:part name="invalidArgumentFault" element="ex:InvalidArgumentFault"/>
</wsdl:message>

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