Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in /home/somxcha1/demo6.somxchange.dev/backend/database/seeders/DatabaseSeeder.php:16 Stack trace: #0 {main} thrown in /home/somxcha1/demo6.somxchange.dev/backend/database/seeders/DatabaseSeeder.php on line 16