Fatal error: Uncaught Error: Interface "Ratchet\RFC6455\Handshake\NegotiatorInterface" not found in C:\xampp\htdocs\siscolasmdp\vendor\ratchet\rfc6455\src\Handshake\ServerNegotiator.php:10
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\siscolasmdp\vendor\ratchet\rfc6455\src\Handshake\ServerNegotiator.php on line 10