WordPress database error: [Expression #25 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'vertel_blog.wp_post2cat.rel_id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by]
SELECT DISTINCT * FROM wp_posts LEFT JOIN wp_post2cat ON (wp_posts.ID = wp_post2cat.post_id) WHERE 1=1 AND (category_id = 1) AND post_date_gmt <= '2021-03-01 10:39:59' AND (post_status = "publish") AND post_status != "attachment" GROUP BY wp_posts.ID ORDER BY post_date DESC LIMIT 0, 10

WordPress database error: [Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'vertel_blog.wp_posts.post_date' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by]
SELECT DISTINCT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM wp_posts WHERE post_date < '2021-03-01 12:39:05' AND post_date != '0000-00-00 00:00:00' AND post_status = 'publish' GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date DESC