Fatal error: Uncaught Error: Class "Aws\AwsClient" not found in C:\xampp\htdocs\vendor\aws\aws-sdk-php\src\SesV2\SesV2Client.php:171 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\aws\aws-sdk-php\src\SesV2\SesV2Client.php on line 171