[Plugin: BuddyPress Sliding Login Panel] Buddypress Sliding Login Panel & bb-Press

I have installed “Buddypress Sliding Login Panel on my site. It works fine on the site but on the forum (made with bb-Press) it messes up everything on the top part of the page. Is there a way to fix this issue?

http://wordpress.org/extend/plugins/buddypress-sliding-login-panel/