Forum No navigation manager in the admin panel
 

Hello,

we made some pretty big changes in our forums today and realized we can't edit the 'home' / forum /what's new tabs, since there's no link in the admin panel to the navigation manager. If I go to the navigation area via the link I use on another forum (navigation.php?do=list), sure with a different domain name, I am sent to the first page of the forum with no error or anything.

Do you know what might cause this to happen. Incomplete files? or? We had VB advanced a while ago, could this be an issue?
Thank you in advance.