Fatal error: Uncaught Error: Class "Aws\Api\Serializer\AbstractRpcV2Serializer" not found in C:\laragon\htdocs\eloboost24\vendor\aws\aws-sdk-php\src\Api\Serializer\RpcV2CborSerializer.php:18 Stack trace: #0 {main} thrown in C:\laragon\htdocs\eloboost24\vendor\aws\aws-sdk-php\src\Api\Serializer\RpcV2CborSerializer.php on line 18