Warning: require(/var/www/usonboard.com/grpc/examples/php/vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/usonboard.com/grpc/examples/php/greeter_client.php on line 25

Fatal error: Uncaught Error: Failed opening required '/var/www/usonboard.com/grpc/examples/php/vendor/autoload.php' (include_path='.:/usr/share/php') in /var/www/usonboard.com/grpc/examples/php/greeter_client.php:25 Stack trace: #0 {main} thrown in /var/www/usonboard.com/grpc/examples/php/greeter_client.php on line 25