This is not a fix, but I did find a workaround.
replace this code in the header.php file
<body <?php body_class() ?> id="bp-default">
with this
[66 lines of code moderated as per the Forum Rules. The maximum number of lines of code that you can post in these forums is ten lines. Please use the pastebin]
worked wonderfully for me with this theme and the group blogs plugin.
