WordPress database error: [Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'fritzel_monochrom.swgwp_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 swgwp_posts WHERE post_date < '2018-05-26 11:53:23' AND post_status = 'publish' GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date DESC

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May 1st, 2015

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