Fatal error: Uncaught Error: Interface "Ratchet\ComponentInterface" not found in /var/www/html/mun/vendor/cboden/ratchet/src/Ratchet/WebSocket/MessageComponentInterface.php:5 Stack trace: #0 {main} thrown in /var/www/html/mun/vendor/cboden/ratchet/src/Ratchet/WebSocket/MessageComponentInterface.php on line 5