Login problem

Hello ..there?
I have installed this cm-answers pro plugin but the problem with it is that
when i login using facebook or gmail on a forum-ajax page , it does not took me to the dashboard and redirect to home page.and even not showing header portion which comes after login in general. (i.e. dashboard, avatar, logout,..)
plz help…its an emergency

https://ww.wp.xz.cn/plugins/cm-answers/