Forum: Rails-ES problema con restful_authentication

hola a todos, tengo un problma cuando intento usar este plugin, lo
instalo y parece instalarse perfecto, creo generate authenticated user
account, corre bien pero al intentar hacer la migracion me aparece el
siguiente error:

** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
rake aborted!
no such file to load -- faker

C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in
`gem_original_require'
C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in
`require'
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in
`require'
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in
`new_constants_in'
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in
`require'
C:/ruby_proj/erMono2/config/initializers/machinist.rb:3
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:145:in
`load_without_new_constant_marking'
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:145:in
`load'
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in
`new_constants_in'
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:145:in
`load'
C:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:622:in
`load_application_initializers'
C:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:621:in
`each'
C:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:621:in
`load_application_initializers'
C:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:176:in
`process'
C:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in
`send'
C:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in
`run'
C:/ruby_proj/erMono2/config/environment.rb:9
C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in
`gem_original_require'
C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in
`require'
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in
`require'
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in
`new_constants_in'
C:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in
`require'
C:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/tasks/misc.rake:4
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in
`invoke_with_call_chain'
C:/ruby/lib/ruby/1.8/monitor.rb:242:in `synchronize'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in
`invoke_with_call_chain'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:607:in
`invoke_prerequisites'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `each'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in
`invoke_prerequisites'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:596:in
`invoke_with_call_chain'
C:/ruby/lib/ruby/1.8/monitor.rb:242:in `synchronize'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in
`invoke_with_call_chain'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in
`invoke_task'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in
`top_level'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in
`top_level'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in
`standard_exception_handling'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in
`top_level'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in
`standard_exception_handling'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
C:/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31
C:\ruby\bin/rake:16:in `load'
C:\ruby\bin/rake:16
-e:1:in `load'
-e:1


no es una gema pero igual intente agregarla a mi enviroment usando
config.gem "aut...." y luego rake gems install...pero el problema
persiste...ya no se que hacer..por favor ayudenme...gracias.