Fatal error: Uncaught Error: Interface "Wikimedia\CSS\Objects\CSSObject" not found in /var/www/html/w/vendor/wikimedia/css-sanitizer/src/Objects/CSSObjectList.php:19 Stack trace: #0 {main} thrown in /var/www/html/w/vendor/wikimedia/css-sanitizer/src/Objects/CSSObjectList.php on line 19