keystone-devstack error

2016-12-01 14:16:58.153 | +lib/keystone:init_keystone:494            [[ uuid == \p\k\i ]]
2016-12-01 14:16:58.163 | +lib/keystone:init_keystone:494            [[ uuid == \p\k\i\z ]]
2016-12-01 14:16:58.176 | +lib/keystone:init_keystone:499            [[ uuid == \f\e\r\n\e\t ]]
2016-12-01 14:16:58.186 | +lib/keystone:init_keystone:503            rm -rf /etc/keystone/credential-keys/
2016-12-01 14:16:58.198 | +lib/keystone:init_keystone:504            /usr/local/bin/keystone-manage --config-file /etc/keystone/keystone.conf credential_setup
2016-12-01 14:17:00.321 | usage: keystone-manage [db_sync|db_version|domain_config_upload|fernet_rotate|fernet_setup|mapping_purge|mapping_engine|pki_setup|saml_idp_metadata|ssl_setup|token_flush]
2016-12-01 14:17:00.322 | keystone-manage: error: argument command: invalid choice: 'credential_setup' (choose from 'db_sync', 'db_version', 'domain_config_upload', 'fernet_rotate', 'fernet_setup', 'mapping_purge', 'mapping_engine', 'pki_setup', 'saml_idp_metadata', 'ssl_setup', 'token_flush')