Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/app/Http/Controllers/Admin/StandardCategoryController.php:19 Stack trace: #0 {main} thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/app/Http/Controllers/Admin/StandardCategoryController.php on line 19