Fatal error: Uncaught Error: Interface "Ratchet\RFC6455\Handshake\NegotiatorInterface" not found in C:\laragon\www\Survey_Department\vendor\ratchet\rfc6455\src\Handshake\ServerNegotiator.php:12 Stack trace: #0 {main} thrown in C:\laragon\www\Survey_Department\vendor\ratchet\rfc6455\src\Handshake\ServerNegotiator.php on line 12