Fatal error: Uncaught Error: Interface "WPOAuth2\Controller\ResourceControllerInterface" not found in /var/www/eintrachtpodcast/wp-content/plugins/oauth2-provider/library/WPOAuth2/Controller/ResourceController.php:15 Stack trace: #0 {main} thrown in /var/www/eintrachtpodcast/wp-content/plugins/oauth2-provider/library/WPOAuth2/Controller/ResourceController.php on line 15