Notice: Undefined variable: factory in C:\xampp73\htdocs\Respaldos\tracking_cie_v1\database\factories\UserFactory.php on line 19

Fatal error: Uncaught Error: Call to a member function define() on null in C:\xampp73\htdocs\Respaldos\tracking_cie_v1\database\factories\UserFactory.php:19 Stack trace: #0 {main} thrown in C:\xampp73\htdocs\Respaldos\tracking_cie_v1\database\factories\UserFactory.php on line 19