Fatal error: Uncaught Error: Class "Illuminate\Mail\Mailable" not found in C:\laragon\www\backup attendpro-20251021\newbackup\app\Mail\LeaveApplicationSubmitted.php:9 Stack trace: #0 {main} thrown in C:\laragon\www\backup attendpro-20251021\newbackup\app\Mail\LeaveApplicationSubmitted.php on line 9