Redmine

• Debian GNU/Linux unstable (sid), Linux zoonman 2.6.32-308.8.2.el5.028stab101.1 #1 SMP Sun Jun 24 20:25:35 MSD 2012 x86_64 GNU/Linux
• mysql Ver 15.1 Distrib 5.5.32-MariaDB, for debian-linux-gnu (x86_64) using readline 5.1
• redmine-2.3.2
• ruby 1.9.3
• Rails 3.2.13

# RAILS_ENV=production script/about

Environment:
  Redmine version                2.3.2.stable
  Ruby version                   1.9.3-p194 (2012-04-20) [x86_64-linux]
  Rails version                  3.2.13
  Environment                    production
  Database adapter               Mysql2
Redmine plugins:
  no plugin installed

# ruby script/rails server webrick -e production

=> Booting WEBrick
=> Rails 3.2.13 application starting in production on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
[2013-09-04 06:22:31] INFO  WEBrick 1.3.1
[2013-09-04 06:22:31] INFO  ruby 1.9.3 (2012-04-20) [x86_64-linux]
[2013-09-04 06:22:31] INFO  WEBrick::HTTPServer#start: pid=11329 port=3000

[... skipped...]

Started POST "/login" for 1.2.3.4 at 2013-09-04 06:22:52 +0400
Processing by AccountController#login as HTML
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"qXvGycxPPcjjfS3cNpO/gDw2h+OXGYF3pGkUmzoRk3M=", "back_url"=>"http://zoonman.com:3000/", "username"=>"admin", "password"=>"[FILTERED]", "login"=>"Login »"}
  Current user: anonymous
Successful authentication for 'admin' from 1.2.3.4 at 2013-09-04 02:22:52 UTC
Redirected to http://zoonman.com:3000/
Completed 302 Found in 42ms (ActiveRecord: 6.7ms)

NoMethodError (undefined method `options' for {:user_id=>1, :ctime=>1378261372, :atime=>1378261372}:Hash):
  /usr/lib/ruby/vendor_ruby/rack/session/abstract/id.rb:329:in `commit_session'
  /usr/lib/ruby/vendor_ruby/rack/session/abstract/id.rb:226:in `context'
  /usr/lib/ruby/vendor_ruby/rack/session/abstract/id.rb:220:in `call'
  /usr/lib/ruby/vendor_ruby/action_dispatch/middleware/cookies.rb:341:in `call'
  /usr/lib/ruby/vendor_ruby/active_record/query_cache.rb:64:in `call'
  /usr/lib/ruby/vendor_ruby/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
  /usr/lib/ruby/vendor_ruby/action_dispatch/middleware/callbacks.rb:28:in `block in call'
  /usr/lib/ruby/vendor_ruby/active_support/callbacks.rb:405:in `_run__413405940092677981__call__2271426155153417099__callbacks'
  /usr/lib/ruby/vendor_ruby/active_support/callbacks.rb:405:in `__run_callback'
  /usr/lib/ruby/vendor_ruby/active_support/callbacks.rb:385:in `_run_call_callbacks'
  /usr/lib/ruby/vendor_ruby/active_support/callbacks.rb:81:in `run_callbacks'
  /usr/lib/ruby/vendor_ruby/action_dispatch/middleware/callbacks.rb:27:in `call'
  /usr/lib/ruby/vendor_ruby/action_dispatch/middleware/remote_ip.rb:31:in `call'
  /usr/lib/ruby/vendor_ruby/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
  /usr/lib/ruby/vendor_ruby/action_dispatch/middleware/show_exceptions.rb:56:in `call'
  /usr/lib/ruby/vendor_ruby/rails/rack/logger.rb:32:in `call_app'
  /usr/lib/ruby/vendor_ruby/rails/rack/logger.rb:16:in `block in call'
  /usr/lib/ruby/vendor_ruby/active_support/tagged_logging.rb:22:in `tagged'
  /usr/lib/ruby/vendor_ruby/rails/rack/logger.rb:16:in `call'
  /usr/lib/ruby/vendor_ruby/action_dispatch/middleware/request_id.rb:22:in `call'
  /usr/lib/ruby/vendor_ruby/rack/methodoverride.rb:21:in `call'
  /usr/lib/ruby/vendor_ruby/rack/runtime.rb:17:in `call'
  /usr/lib/ruby/vendor_ruby/active_support/cache/strategy/local_cache.rb:72:in `call'
  /usr/lib/ruby/vendor_ruby/rack/lock.rb:17:in `call'
  /usr/lib/ruby/vendor_ruby/action_dispatch/middleware/static.rb:63:in `call'
  /usr/lib/ruby/vendor_ruby/rack/cache/context.rb:136:in `forward'
  /usr/lib/ruby/vendor_ruby/rack/cache/context.rb:143:in `pass'
  /usr/lib/ruby/vendor_ruby/rack/cache/context.rb:155:in `invalidate'
  /usr/lib/ruby/vendor_ruby/rack/cache/context.rb:71:in `call!'
  /usr/lib/ruby/vendor_ruby/rack/cache/context.rb:51:in `call'
  /usr/lib/ruby/vendor_ruby/rails/engine.rb:479:in `call'
  /usr/lib/ruby/vendor_ruby/rails/application.rb:223:in `call'
  /usr/lib/ruby/vendor_ruby/rack/content_length.rb:14:in `call'
  /usr/lib/ruby/vendor_ruby/rails/rack/log_tailer.rb:17:in `call'
  /usr/lib/ruby/vendor_ruby/rack/handler/webrick.rb:60:in `service'
  /usr/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
  /usr/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
  /usr/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'

I followed instructions on install page, but I can't login to admin account. I don't know anything about Ruby and ROR applications.
How to figure out, where is issue? And how fix it?