Fatal error: Uncaught Error: Class "Aws\Crypto\MaterialsProvider" not found in /home/alterna/private_assets.alternalab.it/vendor/aws/aws-sdk-php/src/Crypto/KmsMaterialsProvider.php:16 Stack trace: #0 {main} thrown in /home/alterna/private_assets.alternalab.it/vendor/aws/aws-sdk-php/src/Crypto/KmsMaterialsProvider.php on line 16