Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in C:\AppServ\Apache\2.4.69\htdocs\isha_security\database\seeders\IrDefaultRoleSeeder.php:16 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.69\htdocs\isha_security\database\seeders\IrDefaultRoleSeeder.php on line 16