Fatal error: Uncaught Error: Class "Grpc\Channel" not found in /var/www/usonboard.com/grpc/src/php/tests/MemoryLeakTest/MemoryLeakTest.php:50
Stack trace:
#0 {main}
thrown in /var/www/usonboard.com/grpc/src/php/tests/MemoryLeakTest/MemoryLeakTest.php on line 50