1055 - Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'transprylad.tr.description' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by<br/><b>SQL = </b>"SELECT tr.tax_class_id, SUM(tr.rate) AS rate, tr.description FROM tax_rate tr LEFT JOIN zone_to_geo_zone z2gz ON (tr.geo_zone_id = z2gz.geo_zone_id) LEFT JOIN geo_zone gz ON (tr.geo_zone_id = gz.geo_zone_id) WHERE (z2gz.country_id = '0' OR z2gz.country_id = '220') AND (z2gz.zone_id = '0' OR z2gz.zone_id = '3488') GROUP BY tr.tax_class_id"