Login Engine- Problem

I am trying to install the login engine ,When i go to the /user/signup
and enter the details it give me an error saying password _confirmation
not a method.

I am new to engins in ruby on rails, Can anybody help.

The ful trace of my problem is,

c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.2/lib/active_record/base.rb:1789:in
method_missing' c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.2/lib/active_record/base.rb:1510:inattributes=’
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.2/lib/active_record/base.rb:1509:in
attributes=' c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.2/lib/active_record/base.rb:1354:ininitialize_without_callbacks’
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.2/lib/active_record/callbacks.rb:236:in
initialize' C:/eclipse/workspace/LookLocally/vendor/plugins/login_engine/app/controllers/user_controller.rb:45:insignup’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/base.rb:910:in
perform_action_without_filters' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/filters.rb:368:inperform_action_without_benchmark’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/benchmarking.rb:69:in
perform_action_without_rescue' c:/ruby/lib/ruby/1.8/benchmark.rb:293:inmeasure’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/benchmarking.rb:69:in
perform_action_without_rescue' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/rescue.rb:82:inperform_action’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/base.rb:381:in
process_without_filters' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/filters.rb:377:inprocess_without_session_management_support’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/session_management.rb:117:in
process' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/components.rb:71:inprocess_with_components’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/components.rb:137:in
component_response' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/components.rb:101:inrender_component’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/components.rb:169:in
component_logging' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.1/lib/action_controller/components.rb:100:inrender_component’