Fatal error: Uncaught Error: Class "Sabberworm\CSS\CSSList\CSSList" not found in /srv/www/htdocs/moodle/lib/php-css-parser/CSSList/CSSBlockList.php:19 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/php-css-parser/CSSList/CSSBlockList.php on line 19