Strict warning: Creating default object from empty value in uc_userpoints_product_form_alter()

When installed, with Ubercart already have product, during checkout this error message appear.
Strict warning: Creating default object from empty value in uc_userpoints_product_form_alter() (line 247 of sites\all\modules\userpoints_ubercart\uc_userpoints_product\uc_userpoints_product.module).

Fixed by add:

    $order = new stdClass;
    $order->products = uc_cart_get_contents();

before line 247.