SQL: SELECT id, name, link, left_id, right_id, type, path
        	 						 FROM it_group_menu_nested_set
        							 WHERE parent_id = 174
                                     AND visible = 1
                                     AND level = 2
                                     AND left_id > 
                                     AND right_id < 
        							 ORDER BY order_num <br>Ошибка получения данных:<br> You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND right_id < 
        							 ORDER BY order_num' at line 7