Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in C:\xampp8\htdocs\Mercado\Database\Seeders\MercadoDatabaseSeeder.php:8 Stack trace: #0 {main} thrown in C:\xampp8\htdocs\Mercado\Database\Seeders\MercadoDatabaseSeeder.php on line 8