Fatal error: Uncaught Error: Interface "Sabberworm\CSS\Property\AtRule" not found in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker.app/crater/vendor/sabberworm/php-css-parser/src/Property/CSSNamespace.php:11 Stack trace: #0 {main} thrown in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker.app/crater/vendor/sabberworm/php-css-parser/src/Property/CSSNamespace.php on line 11