Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in /home/salt8351/public_html/api.saladincommunity.org/saladdin-be/database/seeders/CourseSeeder.php:12 Stack trace: #0 {main} thrown in /home/salt8351/public_html/api.saladincommunity.org/saladdin-be/database/seeders/CourseSeeder.php on line 12