WordPress database error: [Deadlock found when trying to get lock; try restarting transaction]
DELETE FROM `wp_options` WHERE `option_name` = '_transient_ep_es_info'

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/class-wpdb.php:1857) in /var/www/html/wp-includes/pluggable.php on line 1531 Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/class-wpdb.php:1857) in /var/www/html/wp-includes/pluggable.php on line 1534