Latest Vagrant error

gistfile1.txt

devel downloaded from                                                       [ok]
http://ftp.drupal.org/files/projects/devel-7.x-1.2.tar.gz.
views_bulk_operations downloaded from                                       [ok]
http://ftp.drupal.org/files/projects/views_bulk_operations-7.x-3.0-beta2.tar.gz.
views downloaded from                                                       [ok]
http://ftp.drupal.org/files/projects/views-7.x-3.0-rc1.tar.gz.
features downloaded from                                                    [ok]
http://ftp.drupal.org/files/projects/features-7.x-1.0-beta4.tar.gz.
diff downloaded from                                                        [ok]
http://ftp.drupal.org/files/projects/diff-7.x-2.0.tar.gz.
PHP Fatal error:  Call to a member function make() on a non-object in /root/.drush/drush_make/drush_make.drush.inc on line 235
PHP Stack trace:
PHP   1. {main}() /usr/share/drush/drush.php:0
PHP   2. drush_main() /usr/share/drush/drush.php:14
PHP   3. drush_dispatch() /usr/share/drush/drush.php:82
PHP   4. call_user_func_array() /usr/share/drush/includes/command.inc:216
PHP   5. drush_command() /usr/share/drush/includes/command.inc:216
PHP   6. _drush_invoke() /usr/share/drush/includes/command.inc:881
PHP   7. call_user_func_array() /usr/share/drush/includes/command.inc:125
PHP   8. drush_drush_make_make() /usr/share/drush/includes/command.inc:125
PHP   9. drush_make_projects() /root/.drush/drush_make/drush_make.drush.inc:114
Drush command terminated abnormally due to an unrecoverable error.       [error]
Error: Call to a member function make() on a non-object in
/root/.drush/drush_make/drush_make.drush.inc, line 235
---- End output of "bash"  "/tmp/chef-script20111005-1186-l2bum2-0" ----
Ran "bash"  "/tmp/chef-script20111005-1186-l2bum2-0" returned 255
: stdout
The following SSH command responded with a non-zero exit status.
Vagrant assumes that this means the command failed!

chef-solo -c /tmp/vagrant-chef-1/solo.rb -j /tmp/vagrant-chef-1/dna.json

The output of the command prior to failing is outputted below:

[no output]