<OperationOutcome xmlns="http://hl7.org/fhir">
  <id value="framework-level-error" />
  <issue>
    <severity value="error" />
    <code value="invalid" />
    <details>
      <coding>
        <system value="http: //hl7.org/fhir/dotnet-api-operation-outcome" />
        <code value="1008" />
      </coding>
      <text value="Value is not exactly equal to fixed value 'http://hl7.org/fhir/ValueSet/all-languages'" />
    </details>
  </issue>
</OperationOutcome>