Fatal error: Uncaught Error: Class "Google\Protobuf\Internal\Message" not found in /var/www/usonboard.com/grpc/src/php/tests/interop/Grpc/Testing/LoadBalancerStatsRequest.php:14 Stack trace: #0 {main} thrown in /var/www/usonboard.com/grpc/src/php/tests/interop/Grpc/Testing/LoadBalancerStatsRequest.php on line 14