<explainResponse>

				<version>1.1</version>
<diagnostics><diagnostic><diag:diagnostic xmlns:diag="http://www.loc.gov/zing/srw/diagnostic/">
  <diag:uri>info:srw/diagnostic/1/7</diag:uri>
  <diag:message>Mandatory parameter not supplied</diag:message>
  <diag:details>operation</diag:details>
</diag:diagnostic>
</diagnostic></diagnostics>
</explainResponse>
