Fatal error: Uncaught Error: Class "Aws\MultiRegionClient" not found in C:\xampp\htdocs\vendor\aws\aws-sdk-php\src\S3\S3MultiRegionClient.php:210 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\aws\aws-sdk-php\src\S3\S3MultiRegionClient.php on line 210