Checkout Button went missing

-- url of the page with the problem -- : www.andreasneier.com
-- HikaShop version -- : 2.2.3
-- Joomla version -- : 2.5.16
-- PHP version -- : 5.5.6
-- Browser(s) name and version -- : Safari Version 6.1 (8537.71)
-- Error-message(debug-mod must be tuned on) -- : Error_message

Hello Team,
the next button at the checkout went missing… Any idea how to fix it? Thank you in advance.

Hi,
I just tested it through your website, and I actually had a finish button, note that you can edit your translation file , and change your "Finish" button by "Next".