Fatal error: Uncaught Error: Interface "Aws\Crypto\Cipher\CipherMethod" not found in /home/demohost/hospital.demohost.in/vendor/aws/aws-sdk-php/src/Crypto/Cipher/Cbc.php:17 Stack trace: #0 {main} thrown in /home/demohost/hospital.demohost.in/vendor/aws/aws-sdk-php/src/Crypto/Cipher/Cbc.php on line 17