static function ShowErrors()
 {
     global $APPLICATION;
     if (self::$canNotRead) {
         $aContext = array(array("ICON" => "btn_list", "TEXT" => GetMessage("SUP_BACK_TO_ADMIN"), "LINK" => self::LIST_URL . "?lang=" . LANG, "TITLE" => GetMessage("SUP_BACK_TO_ADMIN")));
         $context = new CAdminContextMenu($aContext);
         $context->Show();
         CAdminMessage::ShowMessage(GetMessage("SUP_TIMETABLE_NOT_FOUND"));
         return true;
     }
     if ($e = $APPLICATION->GetException()) {
         self::$isErrors = true;
         $errorMessage = new CAdminMessage(GetMessage("SUP_ERROR"), $e);
         echo $errorMessage->Show();
     }
     return false;
 }