Fatal error: Uncaught Error: Interface 'Psr\Http\Message\MessageInterface' not found in /var/www/html/servicios/SDKAmazon/Psr/Http/Message/ResponseInterface.php:20 Stack trace: #0 {main} thrown in /var/www/html/servicios/SDKAmazon/Psr/Http/Message/ResponseInterface.php on line 20