Fatal error: Uncaught Error: Class "Illuminate\Broadcasting\BroadcastEvent" not found in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Broadcasting/UniqueBroadcastEvent.php:9 Stack trace: #0 {main} thrown in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Broadcasting/UniqueBroadcastEvent.php on line 9