Dears all

I am installing openstack Kilo following installation guide for ubuntu 14.04 .

I preformed the installation and configuration step by step and everything were fine until i wanted to create the service entity and API endpoint installation guide when i run the command

openstack service create  --name keystone --description "OpenStack Identity" identity

i face to the following error .....

Traceback (most recent call last):
  File "/usr/bin/openstack", line 10, in <module>
    sys.exit(main())
  File "/usr/lib/python2.7/dist-packages/openstackclient/shell.py", line 342, in main
    return OpenStackShell().run(argv)
  File "/usr/lib/python2.7/dist-packages/openstackclient/shell.py", line 79, in __init__
    command_manager=commandmanager.CommandManager('openstack.cli'))
  File "/usr/lib/python2.7/dist-packages/cliff/app.py", line 74, in __init__
    self._set_streams(stdin, stdout, stderr)
  File "/usr/lib/python2.7/dist-packages/cliff/app.py", line 82, in _set_streams
    locale.setlocale(locale.LC_ALL, '')
  File "/usr/lib/python2.7/locale.py", line 579, in setlocale
    return _setlocale(category, locale)
locale.Error: unsupported locale setting

please someone tell me where this error come from and how to fix it