Error during checkout - in_array() expects (...)

-- url of the page with the problem -- : www.manufakturakosmetyczna.pl/
-- HikaShop version -- : 2.2.1
-- Joomla version -- : 2.5.14

After I register on the second page of the checkout I get an error...

Warning: in_array() expects parameter 2 to be array, null given in /joomla/components/com_hikashop/controllers/checkout.php on line 770

Hi,

You'll probably find your answer through this thread .

Solved.

Thank You very much.