Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /opt/lampp/htdocs/myhospitalnow/mhn-colleges-ms/app/Http/Controllers/MailTestController.php:11 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-colleges-ms/app/Http/Controllers/MailTestController.php on line 11