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