/sys_error_action
error action

Sourcecode in Root/actions.js:
1:   function sys_error_action() {
2:      res.data.title = root.getTitle() + " - Error";
3:      res.data.body = root.renderSkinAsString("sysError");
4:      res.data.body += "<p>"+res.error+"</p>";
5:      (path.Site && path.Site.online ? path.Site : root).renderSkin("page");
6:      return;
7:   }