Cannot create an account

-- url of the page with the problem -- : not yet a production site
-- HikaShop version -- :2.2.3 starter
-- Joomla version -- : 2.5.17
-- PHP version -- : 5.3.27
-- Browser(s) name and version -- : chrome v.31


Hello
I am trying to setup Hika shop and i am facing the following problem: Even though from the configuration panel i have enable the login there is no way someone can use this as when i try to create an account i get the message " Registration is not allowed".
Your help will be much appreciated

Thank you very much