Notice: Undefined variable: factory in C:\laragon\www\cangaiba\database\factories\StockFactory.php on line 9

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