Fatal error: Uncaught Error: Interface "Aws\Credentials\CredentialsInterface" not found in /home/gmarket/public_html/vendor/composer/50af3e3c/aws-aws-sdk-php-539d523/src/Credentials/Credentials.php:8 Stack trace: #0 {main} thrown in /home/gmarket/public_html/vendor/composer/50af3e3c/aws-aws-sdk-php-539d523/src/Credentials/Credentials.php on line 8