Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Broadcasting\ShouldBroadcast' not found in E:\xampp\htdocs\vendor\laravel\framework\src\Illuminate\Notifications\Events\BroadcastNotificationCreated.php:10 Stack trace: #0 {main} thrown in E:\xampp\htdocs\vendor\laravel\framework\src\Illuminate\Notifications\Events\BroadcastNotificationCreated.php on line 10