Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in /home/alterna/private_assets.alternalab.it/app/Notifications/WelcomeNotification.php:9 Stack trace: #0 {main} thrown in /home/alterna/private_assets.alternalab.it/app/Notifications/WelcomeNotification.php on line 9