MySQL Fatal Error

MySQL Error! ------------------------ The Error returned was: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'lanos_new.dle_photo_sets.value' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by Error Number: 1055 SELECT `value`, `name` FROM `dle_photo_sets` WHERE `name` = "xf_s" OR `name` = "todir" GROUP BY name LIMIT 2