A Database Error Occurred

Error Number: 1055

Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'wri_old_db.tb_partner_sub.partnersub_id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

SELECT * FROM `tb_partner_sub` WHERE `tb_partner_sub`.`partner_id` = 'brins' AND `tb_partner_sub`.`partnersub_keterangan` = 'PUSAT' GROUP BY `tb_partner_sub`.`partnersub_nama` ORDER BY `tb_partner_sub`.`partnersub_keterangan` DESC

Filename: models/Partner_office_model.php

Line Number: 18