Fatal error: Uncaught Error: Class "WP_Block_Supports" not found in /var/www/vhosts/awxpokmt.host213.checkdomain.de/htdocs/playground/wordpress/wp-includes/block-supports/duotone.php:591 Stack trace: #0 {main} thrown in /var/www/vhosts/awxpokmt.host213.checkdomain.de/htdocs/playground/wordpress/wp-includes/block-supports/duotone.php on line 591