I'm sorry for this guys, but I seemed to have solved the problem. It seems that I had to edit the PHP code a bit. Anyway, see you later.
Hello everyone,
I don't know if this is the right place for this question. But this was the closest, I could find. I am using Joomla on my site, and I installed SmoothGallery a mod for Joomla http://extensions.joomla.org/component/option,com_mtree/task,viewlink/link_id,1727/Itemid,35/ But I got errors when I wanted to display pictures from a foler. So I installed another mod UGM http://www.oscandy.com/joomla/492-ugm-ultimate-gallery-manager-component-for-joomla to complement the first one. I created an album and uploaded it and followed the instructions in the second link. But I am still not able to display the gallery and get an error message. Here's a link http://gamingx.x10hosting.com/index.php?option=com_content&task=view&id=61&Itemid=38. Does anyone know what this means? Am I doing something wrong?

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