Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/umertjjq/certificate.umbs.ng/app/Http/Controllers/Admin/DashboardController.php:15 Stack trace: #0 {main} thrown in /home/umertjjq/certificate.umbs.ng/app/Http/Controllers/Admin/DashboardController.php on line 15