Warning: Undefined variable $factory in I:\www\frameworks\Laravel\database\factories\MenuItemFactory.php on line 9

Fatal error: Uncaught Error: Call to a member function define() on null in I:\www\frameworks\Laravel\database\factories\MenuItemFactory.php:9 Stack trace: #0 {main} thrown in I:\www\frameworks\Laravel\database\factories\MenuItemFactory.php on line 9