The Exception type is an error complex type that contains information about a protocol server-side error. This complex type MUST only be included as part of a SOAP fault, as specified in section 2.2.4.

       <xs:complexType name="Exception">
             <xs:any minOccurs="0" maxOccurs="unbounded" namespace="##local" processContents="skip" />
           <xs:attribute ref="ser:FactoryType" />

FactoryType: Specifies a factory class that can deserialize the type.