Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Broadcasting\Factory" not found in /home/helpdatafirst/public_html/helpapp/vendor/laravel/framework/src/Illuminate/Broadcasting/BroadcastManager.php:27 Stack trace: #0 {main} thrown in /home/helpdatafirst/public_html/helpapp/vendor/laravel/framework/src/Illuminate/Broadcasting/BroadcastManager.php on line 27