Got Error while using open_id_authentication plugin

Hi,
Please help me.
I have installed open_id_authentication plugin in my application.
I got an error "undefined method `authenticate_with_open_id' for
#<AccountController:0x2aab49c51c68>" in open_id_authentication plugin.
I had already write "require 'open_id_authentication'" and also written
require_gem 'ruby-openid' in my controller where i have to used.
But still i got problem of it.
see the attachment of my controller.

Attachments:
http://www.ruby-forum.com/attachment/1475/account_controller.rb

Chirag Shah wrote:

Hi,
Please help me.
I have installed open_id_authentication plugin in my application.
I got an error "undefined method `authenticate_with_open_id' for
#<AccountController:0x2aab49c51c68>" in open_id_authentication plugin.
I had already write "require 'open_id_authentication'" and also written
require_gem 'ruby-openid' in my controller where i have to used.
But still i got problem of it.
see the attachment of my controller.

Did you follow the setup guide that came with the plugin and make the
necessary changes to config/environment.rb?

hth

ilan