Fatal error: Uncaught Error: Class "Illuminate\Broadcasting\BroadcastEvent" not found in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Broadcasting\UniqueBroadcastEvent.php:9 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Broadcasting\UniqueBroadcastEvent.php on line 9