Hey,
I have just installed GroupJive component on my site.
I have Joomla! 1.5.15 stable and CB 1.2.1.
When I try tro create a new category I receive the following message:
HTTP 500 Server Internal error

Can you help me?
Thank you and ....happy new year to everybody!!!

P.S. This is the full message I receive:
Fatal error: Class 'mosAdminMenus' not found in /home/*******/domains/******.it/public_html/administrator/components/com_groupjive/admin.groupjive.php on line 333

Please, help me, I need this nice component.