WordPress database error: [Deadlock found when trying to get lock; try restarting transaction]
DELETE FROM `wp_options` WHERE `option_name` = '_site_transient_wp_theme_files_patterns-0dc53af0bb028e80b1dd996d52bb3004'

Warning: Cannot modify header information - headers already sent by (output started at /home/conviventiasite/public_html/wp-includes/class-wpdb.php:1855) in /home/conviventiasite/public_html/wp-includes/pluggable.php on line 1450

Warning: Cannot modify header information - headers already sent by (output started at /home/conviventiasite/public_html/wp-includes/class-wpdb.php:1855) in /home/conviventiasite/public_html/wp-includes/pluggable.php on line 1453