Notice: Undefined variable: factory in /var/www/html/passport-oauth-server/vendor/laravel/passport/database/factories/PassportClientFactory.php on line 9

Fatal error: Uncaught Error: Call to a member function define() on null in /var/www/html/passport-oauth-server/vendor/laravel/passport/database/factories/PassportClientFactory.php:9 Stack trace: #0 {main} thrown in /var/www/html/passport-oauth-server/vendor/laravel/passport/database/factories/PassportClientFactory.php on line 9