Fatal error: Uncaught Error: Interface "React\Stream\DuplexStreamInterface" not found in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/react/socket/src/ConnectionInterface.php:55 Stack trace: #0 {main} thrown in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/react/socket/src/ConnectionInterface.php on line 55