ActionForm actionForm,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
InvitationsForm invitationForm = (InvitationsForm)actionForm;
Roller roller = RollerFactory.getRoller();
UserManager umgr = roller.getUserManager();
PermissionsData perms = umgr.getPermissions(invitationForm.getPermissionId());
ActionErrors errors = new ActionErrors();
if (perms == null) {
errors.add(null, new ActionError("invitations.error.notFound"));
saveErrors(request, errors);
return view(mapping, actionForm, request, response);