Warning: Unsupported declare 'strict_types' in /var/www/devel/md/product-db/vendor/sebastian/comparator/src/exceptions/RuntimeException.php on line 1

Fatal error: Interface 'SebastianBergmann\Comparator\Exception' not found in /var/www/devel/md/product-db/vendor/sebastian/comparator/src/exceptions/RuntimeException.php on line 16