Fatal error: Uncaught Error: Interface "Wikimedia\CSS\Objects\CSSObject" not found in /var/www/html/w/vendor/wikimedia/css-sanitizer/src/Objects/DeclarationOrAtRule.php:13 Stack trace: #0 {main} thrown in /var/www/html/w/vendor/wikimedia/css-sanitizer/src/Objects/DeclarationOrAtRule.php on line 13