Fatal error: Uncaught Error: Class "Grpc\BaseStub" not found in C:\xampp\htdocs\API\vendor\google\cloud\Monitoring\src\V3\NotificationChannelServiceGrpcClient.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\API\vendor\google\cloud\Monitoring\src\V3\NotificationChannelServiceGrpcClient.php on line 25