Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /var/www/sweves.se/httpdocs/wp-content/plugins/html5-video-player/inc/Rest/VideoController.php:7 Stack trace: #0 {main} thrown in /var/www/sweves.se/httpdocs/wp-content/plugins/html5-video-player/inc/Rest/VideoController.php on line 7