Fatal error: Uncaught Error: Class 'Illuminate\Routing\Controller' not found in E:\xampp\htdocs\www\yunwei\qr2500\vendor\dcat\laravel-admin\src\Http\Controllers\IconController.php:11 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\yunwei\qr2500\vendor\dcat\laravel-admin\src\Http\Controllers\IconController.php on line 11