Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'business_esyndicat.business_language.lang' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'business_esyndicat.business_language.lang' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by