In bp-groupblog.php line number 782 we have to insert the below highlighted code and while creating the group itself the group blog now created and it works like a charm..for myself..you also try if it works means it’s really good…not work means wait for the plugin developer next release… Thanks you !
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$public = groups_get_groupmeta( $group_id, ‘groupblog_public’);
$blog_title = groups_get_groupmeta( $group_id, ‘groupblog_title’);
$path = groups_get_groupmeta( $group_id, ‘groupblog_path’);
$domain = $blog_title.”.”.$domain; //New line
$meta = apply_filters(‘signup_create_blog_meta’, array (‘lang_id’ => 1, ‘public’ => $public)); // depreciated
$meta = apply_filters( “add_signup_meta”, $meta );
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