Fatal error: Uncaught Error: Class 'Illuminate\Database\Seeder' not found in /home/edmedu/www/mig.edmclass.com/admin.edmclass.com/database/seeders/BoardConfigSeeder.php:27 Stack trace: #0 {main} thrown in /home/edmedu/www/mig.edmclass.com/admin.edmclass.com/database/seeders/BoardConfigSeeder.php on line 27