Fatal error: Uncaught Error: Class "Illuminate\Mail\Mailable" not found in C:\xampp\htdocs\kotsch.tech\kotsch-tech\app\Mail\BackupFinishedMail.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\kotsch.tech\kotsch-tech\app\Mail\BackupFinishedMail.php on line 12