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