Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Broadcasting\ShouldBroadcastNow" not found in C:\laragon\www\projet-secours\app\Events\DemandeMiseAJour.php:13 Stack trace: #0 {main} thrown in C:\laragon\www\projet-secours\app\Events\DemandeMiseAJour.php on line 13