Fatal error: Uncaught Error: Class 'Illuminate\Mail\Transport\Transport' not found in /home/app/htdocs/sisboxhrm/vendor/laravel/framework/src/Illuminate/Mail/Transport/MailgunTransport.php:9 Stack trace: #0 {main} thrown in /home/app/htdocs/sisboxhrm/vendor/laravel/framework/src/Illuminate/Mail/Transport/MailgunTransport.php on line 9