Processing IssuesController#update (for 212.91.23.56 at 2012-07-25 00:36:38) [PUT]
  Parameters: {"action"=>"update", "issue"=>{"parent_issue_id"=>"", "start_date"=>"2012-07-24", "fixed_version_id"=>"", "priority_id"=>"4", "lock_version"=>"0", "subject"=>"Stopki w emailach pracowników firmy Budikom", "project_id"=>"187", "is_private"=>"0", "done_ratio"=>"0", "assigned_to_id"=>"36", "status_id"=>"2", "description"=>"Wszyscy musimy mieÄ jednakowe stopki w emailach. Podoba mi siÄ postaÄ stopki i Ola:\r\n> --\r\n> Aleksander Ignaciuk\r\n> Budikom\r\n> Trzy Lipy 3 GPN-T budynek C lokal 2.22\r\n> 80-172 GdaÅ
                                                                                                                                                                             sk\r\n\r\nProszÄ by wszyscy ustawili takie stopki.", "estimated_hours"=>"", "due_date"=>"2012-07-24", "tracker_id"=>"3"}, "time_entry"=>{"hours"=>"", "activity_id"=>"20", "comments"=>""}, "id"=>"2703", "attachments"=>{"screenshot"=>{"content"=>"", "name"=>"screenshot", "description"=>""}, "1"=>{"description"=>""}}, "notes"=>"", "controller"=>"issues", "_method"=>"put", "commit"=>"WyÅij", "last_journal_id"=>"", "authenticity_token"=>"mQGAcc1PLI9fPfJL1QeZQtrQ+RqxwvPx0nThOZwAGYk="}

ActiveRecord::AssociationTypeMismatch (User(#70073366359000) expected, got Group(#70073332635960)):
  lib/redmine/hook.rb:63:in `send'
  lib/redmine/hook.rb:63:in `call_hook'
  lib/redmine/hook.rb:63:in `each'
  lib/redmine/hook.rb:63:in `call_hook'
  lib/redmine/hook.rb:60:in `tap'
  lib/redmine/hook.rb:60:in `call_hook'
  app/models/issue.rb:731:in `save_issue_with_child_records'
  app/models/issue.rb:719:in `save_issue_with_child_records'
  app/controllers/issues_controller.rb:182:in `update'
  /usr/lib/ruby/1.8/phusion_passenger/rack/request_handler.rb:95:in `process_request'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_request_handler.rb:207:in `main_loop'
  /usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:374:in `start_request_handler'
  /usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:332:in `handle_spawn_application'
  /usr/lib/ruby/1.8/phusion_passenger/utils.rb:184:in `safe_fork'
  /usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:330:in `handle_spawn_application'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:352:in `__send__'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:352:in `main_loop'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:196:in `start_synchronously'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:163:in `start'
  /usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:209:in `start'
  /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:262:in `spawn_rails_application'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server_collection.rb:126:in `lookup_or_add'
  /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:256:in `spawn_rails_application'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server_collection.rb:80:in `synchronize'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
  /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:255:in `spawn_rails_application'
  /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:154:in `spawn_application'
  /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:287:in `handle_spawn_application'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:352:in `__send__'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:352:in `main_loop'
  /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:196:in `start_synchronously'
  /usr/lib/phusion_passenger/passenger-spawn-server:61

Rendering /usr/local/share/redmine-1.4/public/500.html (500 Internal Server Error)