Fatal error: Uncaught Error: Class 'Illuminate\Database\Seeder' not found in D:\xampp\htdocs\New folder\pengadaan-barang\database\seeders\UserSeeder.php:10 Stack trace: #0 {main} thrown in D:\xampp\htdocs\New folder\pengadaan-barang\database\seeders\UserSeeder.php on line 10