Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in C:\xampp\htdocs\slip\Warranty-UploadFile\database\seeders\DatabaseSeeder.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\slip\Warranty-UploadFile\database\seeders\DatabaseSeeder.php on line 8