Fatal error: Uncaught Error: Class "Google\Protobuf\Internal\Message" not found in /var/www/usonboard.com/grpc/src/php/tests/interop/Grpc/Testing/BoolValue.php:18 Stack trace: #0 {main} thrown in /var/www/usonboard.com/grpc/src/php/tests/interop/Grpc/Testing/BoolValue.php on line 18