mysql Ошибка [1055] : EXECUTE

URI: index.php?option=com_content&task=blogcategory§ionid=1&id=26&Itemid=51
Message: 'vannerru_main.m.menutype' isn't in GROUP BY
SELECT m.* FROM elx_menu AS m WHERE m.menutype='mainmenu' AND m.published='1' AND m.access IN (29) AND ((m.language IS NULL) OR (m.language LIKE '%%')) GROUP BY m.id ORDER BY m.parent, m.ordering