Problem with rails 2.3.2 and Erubis 2.6.4

Hi,
I am facing some problems migrating from rails 2.1.0 to rails 2.3.2.
I am using Erubis 2.6.4.
I get the following error when I start the webrick server.

Rendering template within layouts/login
Rendering login/login

ActionView::TemplateError (undefined method `link_to’ for
#ActionView::TemplateHandlers::ErubisHandler:0x5f1d45c) in app/views/
login/login.rhtml:

(erubis):28:in `evaluate'
erubis (2.6.4) lib/erubis/evaluator.rb:75:in `instance_eval'
erubis (2.6.4) lib/erubis/evaluator.rb:75:in `evaluate'
erubis (2.6.4) lib/erubis/helpers/rails_helper.rb:99:in

_convert_template' erubis (2.6.4) lib/erubis/helpers/rails_helper.rb:156:incompile’
config/environment.rb:130:in realtime' app/controllers/login_controller.rb:15:inindex’
config/environment.rb:130:in realtime' C:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:inservice’
C:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in run' C:/ruby/lib/ruby/1.8/webrick/server.rb:173:instart_thread’
C:/ruby/lib/ruby/1.8/webrick/server.rb:162:in start' C:/ruby/lib/ruby/1.8/webrick/server.rb:162:instart_thread’
C:/ruby/lib/ruby/1.8/webrick/server.rb:95:in start' C:/ruby/lib/ruby/1.8/webrick/server.rb:92:ineach’
C:/ruby/lib/ruby/1.8/webrick/server.rb:92:in start' C:/ruby/lib/ruby/1.8/webrick/server.rb:23:instart’
C:/ruby/lib/ruby/1.8/webrick/server.rb:82:in start' /script\server:3 C:/ruby/lib/ruby/gems/1.8/gems/ruby-debug-ide-0.4.4/lib/ruby- debug.rb:101:indebug_load’
C:/ruby/lib/ruby/gems/1.8/gems/ruby-debug-ide-0.4.4/lib/ruby-
debug.rb:101:in debug_program' C:/ruby/lib/ruby/gems/1.8/gems/ruby-debug-ide-0.4.4/bin/rdebug-ide: 82 C:/ruby/bin/rdebug-ide:19:inload’
C:/ruby/bin/rdebug-ide:19