Error in DBUtil::executeSQL: SELECT pn_from FROM z_news AS tbl WHERE (pn_from < '2017-12-11 22:52:59' AND pn_published_status = '0') GROUP BY EXTRACT(YEAR_MONTH FROM pn_from) ORDER BY pn_from DESC
SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'eoiweb.tbl.pn_from' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by