Fatal error: Uncaught Error: Class 'Aws\AwsClient' not found in /Applications/XAMPP/xamppfiles/htdocs/Project_April/Aws/IoTEventsData/IoTEventsDataClient.php:17 Stack trace: #0 {main} thrown in /Applications/XAMPP/xamppfiles/htdocs/Project_April/Aws/IoTEventsData/IoTEventsDataClient.php on line 17