Fatal error: Uncaught Error: Interface 'Psr\Http\Message\MessageInterface' not found in /home/soh-works/www/websoket-sample/vendor/psr/http-message/src/ResponseInterface.php:20
Stack trace:
#0 {main}
thrown in /home/soh-works/www/websoket-sample/vendor/psr/http-message/src/ResponseInterface.php on line 20