Fatal error: Uncaught Error: Class 'Aws\AwsClient' not found in /Applications/XAMPP/xamppfiles/htdocs/Project_April/Aws/LexModelBuildingService/LexModelBuildingServiceClient.php:87 Stack trace: #0 {main} thrown in /Applications/XAMPP/xamppfiles/htdocs/Project_April/Aws/LexModelBuildingService/LexModelBuildingServiceClient.php on line 87