Warning: Unsupported declare 'strict_types' in /var/www/devel/md/product-db/vendor/league/commonmark/src/Exception/MissingDependencyException.php on line 3

Fatal error: Interface 'League\CommonMark\Exception\CommonMarkException' not found in /var/www/devel/md/product-db/vendor/league/commonmark/src/Exception/MissingDependencyException.php on line 17