BuddyPress.org

@aishing – Try putting the code after the register_sidebars code in your theme’s functions.php. Then see if you get an error. Can you please paste the error if you get one?

Btw, you should be creating a child theme to add custom code snippets, otherwise when you upgrade BP, you’ll lose your changes.

@aishing – Check out the following code:
https://buddypress.org/community/groups/how-to-and-troubleshooting/forum/topic/how-to-make-a-private-community/?topic_page=2&num=15#post-44616

Add it to your theme’s functions.php file.