Fatal error: Uncaught Error: Interface 'React\Stream\ReadableStreamInterface' not found in /home/soh-works/www/websoket-sample/vendor/react/stream/src/DuplexStreamInterface.php:37 Stack trace: #0 {main} thrown in /home/soh-works/www/websoket-sample/vendor/react/stream/src/DuplexStreamInterface.php on line 37