SELECT a.adid, a.adtitle, a.area, a.addesc, a.subcatid,a.cityid, ct.cityname, a.email, UNIX_TIMESTAMP(a.createdon) AS timestamp, ct.cityname, urgent.adid AS isurgent , p.picfile, scat.subcatname, cat.catid, cat.catname FROM xzclf_ads a INNER JOIN xzclf_cities ct ON a.cityid = ct.cityid INNER JOIN xzclf_subcats scat ON a.subcatid = scat.subcatid INNER JOIN xzclf_cats cat ON scat.catid = cat.catid LEFT OUTER JOIN xzclf_adxfields axf ON a.adid = axf.adid LEFT OUTER JOIN xzclf_adpics p ON a.adid = p.adid AND p.isevent = '0' LEFT OUTER JOIN xzclf_urgent urgent ON a.adid = urgent.adid AND urgent.adtype = 'A' AND urgent.urgenttill >= NOW() LEFT OUTER JOIN xzclf_featured feat ON a.adid = feat.adid AND feat.adtype = 'A' WHERE a.subcatid = 20 AND a.enabled = '1' AND a.verified = '1' AND a.expireson >= NOW() AND (feat.adid IS NULL OR feat.featuredtill < NOW()) GROUP BY a.adid ORDER BY a.createdon DESC LIMIT 0, 10Expression #12 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'adswale_database.p.picfile' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by