Fatal error: Uncaught Error: Class 'Aws\Crypto\AbstractCryptoClient' not found in /home/app/htdocs/ninja/vendor/aws/aws-sdk-php/src/S3/Crypto/S3EncryptionClient.php:21 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/aws/aws-sdk-php/src/S3/Crypto/S3EncryptionClient.php on line 21