Fatal error: Uncaught Error: Class "Illuminate\Mail\Mailable" not found in /home/infotechtbdemo/public_html/laravelquiz/app/Mail/QuizInvite.php:11 Stack trace: #0 {main} thrown in /home/infotechtbdemo/public_html/laravelquiz/app/Mail/QuizInvite.php on line 11