Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in D:\NTG_App\www\TIL_Production_Monitoring\database\seeders\DesignationSeeder.php:8 Stack trace: #0 {main} thrown in D:\NTG_App\www\TIL_Production_Monitoring\database\seeders\DesignationSeeder.php on line 8