If your WordPress Address (URL) and Site Address (URL) are different (see dashboard->settings->general) it is possible that the Atahualpa export option will not work. This patch corrects this issue.
edit bfa_theme_options.php and change line 7 from
HTML Code:
$wordpress_base = home_url();
to
HTML Code:
$wordpress_base = site_url();
or download and unzip the attached file and uploaded it to 'atahualpa/functions' folder replacing the orignal copy of 'bfa_theme_options.php'