Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in /opt/lampp/htdocs/msjchat/database/seeders/example_tabel_data_by_rule.php:9 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/msjchat/database/seeders/example_tabel_data_by_rule.php on line 9