Fatal error: Uncaught Error: Class "Wikimedia\CSS\Objects\CSSObjectList" not found in /var/www/html/w/vendor/wikimedia/css-sanitizer/src/Objects/DeclarationList.php:12 Stack trace: #0 {main} thrown in /var/www/html/w/vendor/wikimedia/css-sanitizer/src/Objects/DeclarationList.php on line 12