Fatal error: Uncaught Error: Class 'Aws\AwsClient' not found in /Applications/XAMPP/xamppfiles/htdocs/Project_April/Aws/Route53Resolver/Route53ResolverClient.php:53 Stack trace: #0 {main} thrown in /Applications/XAMPP/xamppfiles/htdocs/Project_April/Aws/Route53Resolver/Route53ResolverClient.php on line 53