Fatal error: Uncaught Error: Interface "Ratchet\ComponentInterface" not found in C:\xampp\htdocs\hannoole\schol\vendor\cboden\ratchet\src\Ratchet\WebSocket\MessageComponentInterface.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\schol\vendor\cboden\ratchet\src\Ratchet\WebSocket\MessageComponentInterface.php on line 5