Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in /home/robc3686/public_html/gopay-api/database/seeders/CampaignSeeder.php:9 Stack trace: #0 {main} thrown in /home/robc3686/public_html/gopay-api/database/seeders/CampaignSeeder.php on line 9