Errore in production.log

Processing ArticlesController#create (for 192.168.1.4 at 2008-09-10
23:13:24) [POST]
Session ID:
BAh7CToMY3NyZl9pZCIlMDhiMWM5N2Q2MGIxOTg1NDhhODhiYjBlZTcwNTll%0AMzM6CXVzZXJpBjoOcmV0dXJuX3RvMCIKZmxhc2hJQzonQWN0aW9uQ29udHJv%0AbGxlcjo6Rmxhc2g6OkZsYXNoSGFzaHsABjoKQHVzZWR7AA%3D%3D–ffdd8a84d6d1ac757dff116647393d5cb624353a
Parameters: {“commit”=>“Create”, “notice”=>{“body”=>“

sds

”,
“title”=>“sa”},
“authenticity_token”=>“a356318942002d00090a2066f93532d2b929db1c”,
“action”=>“create”, “controller”=>“admin/articles”,
“image”=>{“uploaded_data”=>#<File:/tmp/CGI5678-3>}}

ActionController::InvalidAuthenticityToken
(ActionController::InvalidAuthenticityToken):
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/request_forgery_protection.rb:79:in
verify_authenticity_token' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:469:insend!’
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:469:in
call' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:441:inrun’
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:716:in
run_before_filters' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:695:incall_filters’
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:689:in
perform_action_without_benchmark' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/benchmarking.rb:68:inperform_action_without_rescue’
/usr/lib/ruby/1.8/benchmark.rb:293:in measure' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/benchmarking.rb:68:inperform_action_without_rescue’
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/rescue.rb:199:in
perform_action_without_caching' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/caching.rb:678:inperform_action’
/usr/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/query_cache.rb:33:in
cache' /usr/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/query_cache.rb:8:incache’
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/caching.rb:677:in
perform_action' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:524:insend’
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:524:in
process_without_filters' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:685:inprocess_without_session_management_support’
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/session_management.rb:123:in
process' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:388:inprocess’
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:171:in
handle_request' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:115:indispatch’
/usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:126:in
dispatch_cgi' /usr/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:9:indispatch’
/usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:101:in
process_request' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:149:inwith_signal_handler’
/usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:99:in
process_request' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:77:inprocess_each_request’
/usr/lib/ruby/gems/1.8/gems/fcgi-0.8.7/lib/fcgi.rb:612:in each_cgi' /usr/lib/ruby/gems/1.8/gems/fcgi-0.8.7/lib/fcgi.rb:609:ineach’
/usr/lib/ruby/gems/1.8/gems/fcgi-0.8.7/lib/fcgi.rb:609:in each_cgi' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:76:inprocess_each_request’
/usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:50:in
process!' /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:24:inprocess!’
/public/dispatch.fcgi:24

Rendering /home/web/cerasi2/public/422.html (422 Unprocessable Entity)

In locale va tutto bene… qualche idea?