when click a image, transparant black scrren shiel cover the

when i click i image in k2 item on frontend, black transparent screen shiel cover all screen and cant see page and cant do anything else.

http://helicopterantalya.com/index.php? ... Itemid=738

you can check on my page by click on main photo or galleery photo, i am using google chorome.

pls help

Hi

Problem related to some old SIG Pro version. The same result was visible in admin panel and also while joomla template. Disabling plugin fixed the problem.