Create project dialog does not display and errors out

I am creating a multi server installation of openstack using 12.04 as the base platform and the required additional repositories listed in the documentation here: http://docs.openstack.org/trunk/openstack-compute/install/apt/content/assumptions.html

I then followed the dashboard install and configure documentation here - http://docs.openstack.org/trunk/openstack-compute/install/apt/content/ch_install-dashboard.html

Steps to reproduce the error -
Log into the dashboard as an administrator
Click on the Projects item in the administration list - the default projects list successfully
Click on the create-project button, the new project dialog does not appear and a pop up error message states:
An error occurred. Please try again

the following entry appears in the /var/log/apache2/error.log:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
[Tue Oct 09 14:23:35 2012] [error] Problem instantiating action class.
[Tue Oct 09 14:23:35 2012] [error] Traceback (most recent call last):
[Tue Oct 09 14:23:35 2012] [error] File "/usr/local/lib/python2.7/dist-packages/horizon-2012.2-py2.7.egg/horizon/workflows/base.py", line 361, in action
[Tue Oct 09 14:23:35 2012] [error] context)
[Tue Oct 09 14:23:35 2012] [error] File "/usr/local/lib/python2.7/dist-packages/horizon-2012.2-py2.7.egg/horizon/dashboards/syspanel/projects/workflows.py", line 110, in __init__
[Tue Oct 09 14:23:35 2012] [error] redirect=reverse(INDEX_URL))
[Tue Oct 09 14:23:35 2012] [error] File "/usr/local/lib/python2.7/dist-packages/horizon-2012.2-py2.7.egg/horizon/dashboards/syspanel/projects/workflows.py", line 106, in __init__
[Tue Oct 09 14:23:35 2012] [error] default_role = api.get_default_role(self.request).id
[Tue Oct 09 14:23:35 2012] [error] AttributeError: 'NoneType' object has no attribute 'id'

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Current workaround -
use CLI command set for project and user management