Thread:Project:Support desk/invoke infobox error in mediawiki

I have installed the latest mediawiki and i am having trouble installing infobox in my mediawiki. After a lot of searching in web i found this tutorial http://trog.qgl.org/20110815/setting-up-infobox-templates-in-mediawiki. I have done all things as described in the tutorial, downloaded the template:infobox xml then imported in my wiki made proper changes in my common.css ,localsetting.php. But when i put the example code given in the tutorial in my wiki its giving this error.

http://i44.tinypic.com/157m0bd.png

Creating a infobox in mediawiki is making me mad,any help will be appreciated

Advance thanks for input