Fatal error: Uncaught Error: Class "ApiPlatform\Metadata\GraphQl\Operation" not found in D:\htdocs\SuiteCRM\vendor\api-platform\core\src\Metadata\GraphQl\Subscription.php:20 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\vendor\api-platform\core\src\Metadata\GraphQl\Subscription.php on line 20