Hi, I need some help when upgrading one aplication made on rails1.0 to rails1.1 I have the application on a debian sarge i upgrade ruby gems to 1.1 and ruby to 1.84 and make an freeze on proyect folder, but when i try to run the application in production mode gave me these errors: [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] file /home/siniestros/beta0.2/public/../config/../tmp/sessions//ruby_sess.de090bb98c8cb354 not readable\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/1.8/pstore.rb:95:in `initialize''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/1.8/cgi/session/pstore.rb:70:in `initialize''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/1.8/cgi/session.rb:273:in `initialize''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/gems/1.8/gems/actionpack-1.12.0.4168/lib/action_controller/cgi_process.rb:111:in `session''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/gems/1.8/gems/actionpack-1.12.0.4168/lib/action_controller/cgi_process.rb:141:in `stale_session_check!''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/gems/1.8/gems/actionpack-1.12.0.4168/lib/action_controller/cgi_process.rb:107:in `session''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/gems/1.8/gems/actionpack-1.12.0.4168/lib/action_controller/base.rb:887:in `assign_shortcuts_without_flash''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/gems/1.8/gems/actionpack-1.12.0.4168/lib/action_controller/flash.rb:141:in `assign_shortcuts''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/gems/1.8/gems/actionpack-1.12.0.4168/lib/action_controller/base.rb:375:in `process_without_filters''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/gems/1.8/gems/actionpack-1.12.0.4168/lib/action_controller/filters.rb:377:in `process_without_session_management_support''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/gems/1.8/gems/actionpack-1.12.0.4168/lib/action_controller/session_management.rb:117:in `process''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /usr/lib/ruby/gems/1.8/gems/rails-1.1.0.4168/lib/dispatcher.rb:38:in `dispatch''\r [Wed Apr 05 13:49:09 2006] [error] [client 99.5.0.45] /home/siniestros/beta0.2/public/dispatch.cgi:10 when i run it in development mode everything its ok. anyone could give me some help? thanks a lot