[Sumit1988]

i think i remember, that here in the forum are a lot of threads that says:

WP 2.7 + bbPress 0.xx = Nope!

WP < 2.7 +bbPress 0,xx = yes

and finally

WP 2.7 + bbpress 1.0 = yes

So, either you downgrade your WP or you use the alpha version of BBpress.

You shouldn’T get issues with login then…