Fatal error: Uncaught Error: Class "Aws\Exception\AwsException" not found in C:\www\api\vendor\aws\aws-sdk-php\src\Neptunedata\Exception\NeptunedataException.php:9 Stack trace: #0 {main} thrown in C:\www\api\vendor\aws\aws-sdk-php\src\Neptunedata\Exception\NeptunedataException.php on line 9