IN the error.log I have these messages
[client 79.151.161.212] WordPress database error Got error 134 from storage engine for query SELECT SQL_CALC_FOUND_ROWS wp_posts.* FROM wp_posts WHERE 1=1 AND wp_posts.post_type = ‘post’ AND (wp_posts.post_status = ‘publish’ OR wp_posts.post_status = ‘private’) ORDER BY wp_posts.post_date DESC LIMIT 0, 10 made by get_posts