Fatal error: Uncaught Error: Interface "Aws\AwsClientInterface" not found in C:\xampp\htdocs\cms-propay\vendor\aws\aws-sdk-php\src\AwsClient.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\cms-propay\vendor\aws\aws-sdk-php\src\AwsClient.php on line 20