Fatal error: Uncaught Error: Class "Aws\AwsClient" not found in D:\Server\ProjectJI\vendor\aws\aws-sdk-php\src\MainframeModernization\MainframeModernizationClient.php:73 Stack trace: #0 {main} thrown in D:\Server\ProjectJI\vendor\aws\aws-sdk-php\src\MainframeModernization\MainframeModernizationClient.php on line 73