Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in /home/defenders/public_html/0255_projects/college_sys_v1/database/seeders/TimetableDataSeeder.php:11 Stack trace: #0 {main} thrown in /home/defenders/public_html/0255_projects/college_sys_v1/database/seeders/TimetableDataSeeder.php on line 11