// End of Phd Emails Management
public ActionForward removeLastState(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) {
final PhdIndividualProgramProcess process = getProcess(request);
try {
ExecuteProcessActivity.run(process, RemoveLastStateOnPhdIndividualProgramProcess.class, null);
} catch (DomainException e) {
addErrorMessage(request, e.getKey(), e.getArgs());