Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in C:\xampp\htdocs\gnu_7\g7\modules\_bundled\sirsoft-board\database\seeders\Sample\BoardSampleSeeder.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\gnu_7\g7\modules\_bundled\sirsoft-board\database\seeders\Sample\BoardSampleSeeder.php on line 17