Fatal error: Uncaught Error: Class "Aws\AwsClient" not found in C:\xampp\htdocs\vendor\aws\aws-sdk-php\src\Redshift\RedshiftClient.php:248 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\aws\aws-sdk-php\src\Redshift\RedshiftClient.php on line 248