Problem with recent comments ... Help me, please...

(First of all: Sorry, my english not very good): Recently, I visited the site of the Elgg Hacks, and there I found a very good tip: Full edit sidebar (

But I have a problem with the bar "Latest Comments" ... 

He should be as shown in the picture below:



However, my problem is that it does not appear to me the user name or the location that was commented.



"generic_comment:on" - How can I solve this problem? 

This is my last issue before putting my site online! Help me for the love of God. :D