Fatal error: Uncaught Error: Class "SimplePie_Sanitize" not found in /var/www/vhosts/awxpokmt.host213.checkdomain.de/htdocs/playground/wordpress/wp-includes/class-wp-simplepie-sanitize-kses.php:21 Stack trace: #0 {main} thrown in /var/www/vhosts/awxpokmt.host213.checkdomain.de/htdocs/playground/wordpress/wp-includes/class-wp-simplepie-sanitize-kses.php on line 21