Fatal error: Uncaught Error: Class "Google\Protobuf\Internal\Message" not found in /var/www/usonboard.com/grpc/examples/php/route_guide/Routeguide/RouteSummary.php:19 Stack trace: #0 {main} thrown in /var/www/usonboard.com/grpc/examples/php/route_guide/Routeguide/RouteSummary.php on line 19