Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\spatie\laravel-backup\src\Notifications\BaseNotification.php:10 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\spatie\laravel-backup\src\Notifications\BaseNotification.php on line 10