Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in E:\install\laragon\www\extranet_camed\vendor\laravel\framework\tests\Database\DatabaseSeederTest.php:13 Stack trace: #0 {main} thrown in E:\install\laragon\www\extranet_camed\vendor\laravel\framework\tests\Database\DatabaseSeederTest.php on line 13