By default, we do not have this option. You can use the following function code. Please see the steps below:

Note: Make sure to have a complete site backup before proceeding

1. Go to Appearance > Theme Editor.

2. Under Select theme to edit, choose (BuddyBoss Child/whatever theme is active), then click Select.

3. Below Theme Files, select Theme Functions (functions.php).

4. Append the code just before the closing PHP tag “?>”:

function bb_enable_breadcrumbs_forum_topic($param) {
  return false;
}
add_filter ( 'bbp_no_breadcrumb', 'bb_enable_breadcrumbs_forum_topic', 999 );

5. Click Update File to save the changes.

6. Go to BuddyBoss > Theme Options

7. Under Custom Codes, enable CSS

8. Append the following:

#bbpress-forums .bbp-breadcrumb {
    display: block;
}

9. Save changes.

Note: Any modifications are considered as custom work already. Know more about our Support policy here: https://www.buddyboss.com/support-policy/