Fatal error: Uncaught Error: Class "Aws\Crypto\MaterialsProvider" not found in /home/ptstore4/public_html/pointofsale168.ptcstore.net/vendor/aws/aws-sdk-php/src/Crypto/KmsMaterialsProvider.php:16 Stack trace: #0 {main} thrown in /home/ptstore4/public_html/pointofsale168.ptcstore.net/vendor/aws/aws-sdk-php/src/Crypto/KmsMaterialsProvider.php on line 16