disabled WPS is not handled correctly

[bartvde]

<ows:ExceptionReport xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:ows="http://www.opengis.net/ows" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0.0" xsi:schemaLocation="http://www.opengis.net/ows http://localhost:8080/geoserver/schemas/ows/1.0.0/owsExceptionReport.xsd">
  <ows:Exception exceptionCode="NoApplicableCode">
    <ows:ExceptionText>org.geoserver.platform.ServiceException: Service WPS is disabled
Service WPS is disabled</ows:ExceptionText>
  </ows:Exception>
</ows:ExceptionReport>

[bartvde]

Uncaught Error: Element [{http://www.opengis.net/ows}ows:ExceptionReport] is not known in this context and property does not allow DOM.Jsonix.Binding.Unmarshalls.Element.Jsonix.Class.unmarshalElement @ wps-gui.js:39704Jsonix.Binding.Unmarshaller.Jsonix.Class.unmarshalDocument @ wps-gui.js:39826xmlhttp.onload @ wps-gui.js:61647