Fatal error: Uncaught Error: Class "Illuminate\Mail\Mailable" not found in /home/salkanta/test.api.salkantay-trekking.com/app/Mail/c_Mail_User.php:9 Stack trace: #0 {main} thrown in /home/salkanta/test.api.salkantay-trekking.com/app/Mail/c_Mail_User.php on line 9