Can not create keypair
Hello
i don' create keypair.
This error :
2013-02-26 22:58:39 DEBUG nova.utils [-] Reloading cached file /etc/nova/policy.json from (pid=962) read_cached_file /usr/lib/python2.7/site-packages/nova/utils.py:1129
2013-02-26 22:58:39 INFO nova.api.openstack.wsgi [req-b5fead13-3ef7-4b7d-a01a-15ed8e8eec6c a3a617a7d5e44ef0b73156b14ed59884 f66770a2a3e64ce89455abf91ba2fa61] POST http://172.16.10.190:8774/v2/f66770a2a3e64ce89455abf91ba2fa61/os-keypairs (http://172.16.10.190:8774/v2/f66770a2...)
2013-02-26 22:58:39 DEBUG nova.utils [req-b5fead13-3ef7-4b7d-a01a-15ed8e8eec6c a3a617a7d5e44ef0b73156b14ed59884 f66770a2a3e64ce89455abf91ba2fa61] backend