Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in C:\xampp\htdocs\addfirst\Modules\City\Database\Seeders\CityDatabaseSeeder.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\addfirst\Modules\City\Database\Seeders\CityDatabaseSeeder.php on line 8