BuddyPress Group blog does not work

Hello!
I have start a thread erliar about BuddyPress Group does not work, but you left me without any solution.
So, now I try again. ‘
I have the plugin installed and from the beginning it worked fine, but suddenly it stop working:
See Image:
https://www.screencast.com/t/R2L7C5H9bFm
Best regards, and now I hope you can fix it
Anders Hidman
SWeden

The page I need help with: [log in to see the link]