DB Error: unknown error<br />SELECT country_name,country_code FROM masteryo_ip_group_country GROUP BY country_code ORDER BY country_name ASC  [nativecode=1055 ** Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'admin_animedown.masteryo_ip_group_country.country_name' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by]Database error occured. Check the query and/or DB connection