It looks like the link pointing here was faulty. Maybe try searching?
WordPress database error: [Deadlock found when trying to get lock; try restarting transaction]INSERT INTO `wp_options` (`option_name`, `option_value`, `autoload`) VALUES ('_site_transient_timeout_wp_theme_files_patterns-2bb854079a9c751b778a58c2f8671514', '1777607792', 'off') ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)