Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in C:\xampp\htdocs\kotsch.tech\kotsch-tech - Kopie (2)\database\seeders\DatabaseSeeder.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\kotsch.tech\kotsch-tech - Kopie (2)\database\seeders\DatabaseSeeder.php on line 7