Warning: Unsupported declare 'strict_types' in /var/www/devel/md/product-db/vendor/sabberworm/php-css-parser/src/Parsing/OutputException.php on line 3

Fatal error: Class 'Sabberworm\CSS\Parsing\SourceException' not found in /var/www/devel/md/product-db/vendor/sabberworm/php-css-parser/src/Parsing/OutputException.php on line 10