SQL Error:
Unknown column 'object.category_id' in 'ON'

Full Query:
SELECT object.*  , GROUP_CONCAT(tbl_categories.title SEPARATOR ', ') category_title , GROUP_CONCAT(tbl_categories.title_en SEPARATOR ', ') category_title_en , DATE_FORMAT(object.publish_at, '%d %M %Y', 'tr_TR') formatted_publish_at FROM tbl_articles AS object   LEFT JOIN tbl_categories ON find_in_set(tbl_categories.id, object.category_id)  WHERE  (object.`status` = '1')  GROUP BY object.id  LIMIT 0,10000