Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in /var/www/html/ldeluipy/abp-app/database/seeders/MaterialAssignmentSeeder.php:10 Stack trace: #0 {main} thrown in /var/www/html/ldeluipy/abp-app/database/seeders/MaterialAssignmentSeeder.php on line 10