2.2.4.1.5.2 xmla-x:Messages

Any of the root elements can contain a messages element.

   <xsd:complexType name="Messages">
     <xsd:choice minOccurs="1" maxOccurs="unbounded">
       <xsd:element name="Warning" type="WarningType" />
       <xsd:element name="Error" type="ErrorType" />
     </xsd:choice>
   </xsd:complexType>