Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Broadcasting\Factory" not found in /home/alkhalaffamily/public_html/new_qasa/vendor/laravel/framework/src/Illuminate/Broadcasting/BroadcastManager.php:21 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/new_qasa/vendor/laravel/framework/src/Illuminate/Broadcasting/BroadcastManager.php on line 21