add url link not working urgent help needed

[searchservers]

url: http://www.forumrating.com/add.php
Fatal error: Call to a member function on a non-object in /home/forum/public_html/lib/category.class.php on line 620

i dnt know how long recently had recieved a complain , add url is not working, some one plz help me
also few more bugs awaiting for responce frm nicecoder team
thanks

[lexpression]

Just tested and it seems to work. You should see my test "nonsense" link. Are you still having a problem?