Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\slip\Warranty-UploadFile\vendor\laravel\sail\src\SailServiceProvider.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\slip\Warranty-UploadFile\vendor\laravel\sail\src\SailServiceProvider.php on line 11