WordPress database error: [Deadlock found when trying to get lock; try restarting transaction]
DELETE FROM `tgrd_options` WHERE `option_name` = '_site_transient_wp_theme_files_patterns-60ab37625214f8104d4d6b9dbd98adef'

Warning: Cannot modify header information - headers already sent by (output started at /mnt/web718/c1/65/53518165/htdocs/STRATO-apps/wordpress_03/app/wp-includes/class-wpdb.php:1857) in /mnt/web718/c1/65/53518165/htdocs/STRATO-apps/wordpress_03/app/wp-content/plugins/the-events-calendar/src/Tribe/Views/V2/iCalendar/iCalendar_Handler.php on line 257