Warning: Unsupported declare 'strict_types' in /var/www/devel/md/product-db/vendor/guzzlehttp/psr7/src/LazyOpenStream.php on line 3

Parse error: syntax error, unexpected ':', expecting ';' or '{' in /var/www/devel/md/product-db/vendor/guzzlehttp/psr7/src/LazyOpenStream.php on line 45