Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in C:\PHP\APPS\staging\aictec_zonetec_web\database\seeders\BioServersTableSeeder.php:11 Stack trace: #0 {main} thrown in C:\PHP\APPS\staging\aictec_zonetec_web\database\seeders\BioServersTableSeeder.php on line 11