Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /opt/lampp/htdocs/myhospitalnow/propreshnow_nurses/admin_nurses/app/Http/Controllers/ProfessionalUserController.php:12 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/propreshnow_nurses/admin_nurses/app/Http/Controllers/ProfessionalUserController.php on line 12