BuddyPress.org

The only table that you appear to be missing is wp_bb_posts.

When you say manual install what exactly do you mean by that? Have you gone through the motions of using the BP re-install option in dashboard, created new group with forum etc.

It’s not wasting peoples time to suggest all possible solutions to a problem that is difficult to pin down to an exact cause that can be given a simple step by step fix to.