Fatal error: Uncaught Error: Interface "Ratchet\RFC6455\Handshake\NegotiatorInterface" not found in E:\install\laragon\www\erp_gpharma_web\vendor\ratchet\rfc6455\src\Handshake\ServerNegotiator.php:10 Stack trace: #0 {main} thrown in E:\install\laragon\www\erp_gpharma_web\vendor\ratchet\rfc6455\src\Handshake\ServerNegotiator.php on line 10