public ActionForward addCandidacyFeedbackRequestElement(ActionMapping mapping, ActionForm actionForm,
HttpServletRequest request, HttpServletResponse response) {
try {
final PhdCandidacyFeedbackRequestElementBean bean = getRenderedObject("elementBean");
if (bean.isExistingElement() && !bean.hasAnyParticipants()) {
addErrorMessage(request, "label.phd.candidacy.feedback.must.select.elements");
return addCandidacyFeedbackRequestElementInvalid(mapping, actionForm, request, response);
}
ExecuteProcessActivity.run(getProcess(request).getFeedbackRequest(), AddPhdCandidacyFeedbackRequestElements.class,