[Rdo-list] packstack error messages

Hello, I am installing icehouse from RDO, on a RHEL7 VM, using packstack. Get the following error: ...... Applying 130.199.185.76_glance.pp Applying 130.199.185.76_cinder.pp 130.199.185.76_keystone.pp: [ ERROR ] Applying Puppet manifests [ ERROR ] ERROR : Error appeared during Puppet run: 130.199.185.76_keystone.pp Error: /Stage[main]/Keystone::Roles::Admin/Keystone_role[_member_]: Could not evaluate: Execution of '/usr/bin/keystone --os-endpoint http://127.0.0.1:35357/v2.0/ role-list' returned 1: 'NoneType' object has no attribute '__getitem__' You will find full trace in log /var/tmp/packstack/20140721-102751-Mviqzb/manifests/130.199.185.76_keystone.pp.log Please check log file /var/tmp/packstack/20140721-102751-Mviqzb/openstack-setup.log for more information Any idea what caused this ? I am using the rdo repo from rdo-release-icehouse-4 rpm. Thanks in advance, Xin