A Database Error Occurred

Error Number: 1055

Expression #13 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'spyrosys_spyrosysnew.seo.seo_id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

SELECT `blog`.*, `seo`.*, `user`.* FROM `mv_blogs` `blog` LEFT JOIN `mv_seo` `seo` ON `seo`.`content_ref_id` = `blog`.`blog_id` AND `content_type` = 6 INNER JOIN `mv_users` `user` ON `user`.`id` = `blog`.`user_id` WHERE `blog`.`blog_status` = 1 GROUP BY `blog`.`blog_id` ORDER BY `blog`.`blog_id` DESC LIMIT 5

Filename: modules/blog/models/Blog_model.php

Line Number: 56