Fatal error: Uncaught Error: Class "Aws\Crypto\MaterialsProvider" not found in /home/gmarket/public_html/vendor/composer/50af3e3c/aws-aws-sdk-php-539d523/src/Crypto/KmsMaterialsProvider.php:16 Stack trace: #0 {main} thrown in /home/gmarket/public_html/vendor/composer/50af3e3c/aws-aws-sdk-php-539d523/src/Crypto/KmsMaterialsProvider.php on line 16