Drush Make and Support module problem

I try to make a drupal distro with drush make which contains more modules for example: support_timer, support_deadline and of course the support.
When I run the drush make I give the following error messages:

More than one core project specified.                                                                                      [error]
An error occurred at function : drush_drush_make_make                                                                      [error]

If I comment the line of the support module the problem is solved or I can download the module with drush.

$drush dl support
Project support (6.x-1.3-rc1) downloaded to /home/paldi_z/Download/Drupal/Distros/d6support/.                              [success]

I think the error is in the http://updates.drupal.org/release-history/support/6.x XML file because it contains the following entry many times:

<term>
<name>Projects</name>
<value>Drupal project</value>
</term>

I checked the XML file of the some contrib modules and the core module and only the XML file of the drupal core contains the entry above.

I would like to ask the correction to I can use the the support module with drush make.

Thanks for advance.