Fatal error: Uncaught Error: Class 'Aws\Crypto\MaterialsProvider' not found in /var/www/html/servicios/SDKAmazon/Aws/Crypto/KmsMaterialsProvider.php:16 Stack trace: #0 {main} thrown in /var/www/html/servicios/SDKAmazon/Aws/Crypto/KmsMaterialsProvider.php on line 16