Fatal error: Uncaught Error: Call to undefined function shortcode_exists() in /usr/www/users/dalc/wp-content/plugins/jetpack/modules/videopress/shortcode.php:21 Stack trace: #0 /usr/www/users/dalc/wp-content/plugins/jetpack/modules/videopress/shortcode.php(38): VideoPress_Shortcode->__construct() #1 /usr/www/users/dalc/wp-content/plugins/jetpack/modules/videopress/shortcode.php(271): VideoPress_Shortcode::initialize() #2 /usr/www/users/dalc/wp-content/plugins/jetpack/modules/videopress.php(18): require_once('/usr/www/users/...') #3 {main} thrown in /usr/www/users/dalc/wp-content/plugins/jetpack/modules/videopress/shortcode.php on line 21