Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in E:\xampp\htdocs\www\order\qr251\vendor\spatie\laravel-package-tools\src\PackageServiceProvider.php:21 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\order\qr251\vendor\spatie\laravel-package-tools\src\PackageServiceProvider.php on line 21