A Database Error Occurred

Error Number: 1055

Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'matesu_newmatesu.page.page_published' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

SELECT YEAR(FROM_UNIXTIME(page.page_published)) AS archive_year FROM (`page`) JOIN `page_meta` ON `page_meta`.`page_id` = `page`.`page_id` JOIN `template` ON `template`.`template_id` = `page`.`template_id` WHERE `page`.`page_parent` = '28' AND `page`.`page_published` <= 1710819808 AND `page`.`page_status` = 'Published' AND `page_meta`.`lang_id` = '1' AND `template`.`template_type` = 'post' GROUP BY YEAR(FROM_UNIXTIME(page.page_published)) ORDER BY `page`.`page_published` DESC

Filename: /home/matesu/public_html/modules/page/models/page_model.php

Line Number: 164