As you can see how the title is appearing on forum.
http://prntscr.com/jvuatx
http://prntscr.com/jvub34

sidebar is also not working. I am trying to remove sidebar from the pages using the editor setting still I think bbpress overwriting the setting and let showing sidebar instead I have selected no sidebar as wider page but still showing.

[@robin-w Moderator 6 years, 6 months ago]

The title is a theme related issue – need a link to your site and an example to help