To make it conformant change the implementation of the service to use 'rpc-literal' or 'document-literal' SOAP messages. ...

To make it conformant change the implementation of the service to use 'rpc-literal' or 'document-literal' SOAP messages. You need to add explicit Use=SoapBindingUse.Literal property to all service and method level attributes: SoapRpcService, SoapRpcMethod, SoapDocumentService, SoapDocumentMethod.