BuddyPress.org

Hi,

if you activate site wide forum, you have to change the default Forum Base name to something other as “forum”.

Unfortunatly, bbPress and BP use the same base name and in a BP install, BP’s forum has priority.

Read here: https://codex.buddypress.org/user/setting-up-a-new-installation/installing-group-and-sitewide-forums/