Fatal error: Uncaught Error: Interface "Requests_Hooker" not found in /var/www/vhosts/awxpokmt.host213.checkdomain.de/htdocs/playground/wordpress/wp-includes/Requests/Hooks.php:15 Stack trace: #0 {main} thrown in /var/www/vhosts/awxpokmt.host213.checkdomain.de/htdocs/playground/wordpress/wp-includes/Requests/Hooks.php on line 15