Hi There,

I am trying to install the addon module for the component mod_communityanswer however whenever i try to access it from module manager, it loads without the joomla template, and i get the following error code:

Fatal error: Class 'NestedTree' not found in modules/mod_communityanswers/elements/communityanswerscategories.php on line 23

This happens both on a live server and local host.

Any help appreciated.

## Just a quick update, the category module doesnt work either, gives the same nested tree message when activated, so site doesnt load.

Thanks