Fatal error: Uncaught Error: Class "Sabberworm\CSS\Parsing\SourceException" not found in /users/danielstruebig/www/firma/vendor/sabberworm/php-css-parser/src/Parsing/OutputException.php:8 Stack trace: #0 {main} thrown in /users/danielstruebig/www/firma/vendor/sabberworm/php-css-parser/src/Parsing/OutputException.php on line 8