Make sure you have a "CemZoo" folder inside your library folder. If not, that means it was not uploaded correctly.Were the files supposed to be added to the library folder? I did this, ran the xml and for the following error
Please enter a valid callback method.
<ROOT> /library /CemZoo /You
I just installed that on a fresh XenForo installation and it seems to work correctly. Double-check the case of the folder names, as it would be case-sensitive. I downloaded my hack attached here and installed that, so it should work.Yes, plus the listener php on the end
<ROOT> /library /CemZoo /You /Listener.php