Fatal error: Uncaught Error: Class 'Aws\S3\MultipartUploader' not found in C:\gen\ms_core\DiscordApi\vendor\aws\aws-sdk-php\src\S3\Crypto\S3EncryptionMultipartUploaderV2.php:20 Stack trace: #0 {main} thrown in C:\gen\ms_core\DiscordApi\vendor\aws\aws-sdk-php\src\S3\Crypto\S3EncryptionMultipartUploaderV2.php on line 20