configure error page

configure error page ???

We are trying as much as we can here, but being a clairvoyant is not th thing that we are best at

So if You are asking questions use full sentences and be as specific as it can be, please .

http://demo.gavick.com/joomla25/twn2/?o ... -component

As this error is set

To change entire layout, please edit:
/templates/gk_twn2/error.php
to change only the text, please edit:
/language/en-GB/en-GB.ini
and modify text there.