Fatal error: Uncaught Error: Class "Aws\AbstractConfigurationProvider" not found in D:\www\cmd\cmd_api\vendor\aws\aws-sdk-php\src\Sts\RegionalEndpoints\ConfigurationProvider.php:45 Stack trace: #0 {main} thrown in D:\www\cmd\cmd_api\vendor\aws\aws-sdk-php\src\Sts\RegionalEndpoints\ConfigurationProvider.php on line 45