When creating a new issue to any project in Redmine, an error occurs:

Processing IssuesController#new (for 83.24.129.86 at 2010-02-14 01:23:02) [POST]
Parameters: {"commit"=>"Stwórz", "project_id"=>"jggapi-ng", "action"=>"new", "authenticity_token"=>"VSHgLnr3ZTtHzxP3k1aoOY4sHGoKfNyvyJbgBZIUN7A=", "issue"=>{"start_date"=>"2010-02-12", "estimated_hours"=>"", "priority_id"=>"13", "fixed_version_id"=>"10", "done_ratio"=>"50", "assigned_to_id"=>"3", "subject"=>"NPEs", "category_id"=>"11", "tracker_id"=>"1", "due_date"=>"2010-02-16", "status_id"=>"1", "description"=>""}, "controller"=>"issues", "attachments"=>{"1"=>{"description"=>""}}}

SystemStackError (stack level too deep):
app/models/issue.rb:146:in tracker_id='
app/models/issue.rb:158:inattributes_without_tracker_first='
app/models/issue.rb:160:in send'
[[ repeated couple hundred of times!!]]
app/controllers/issues_controller.rb:138:innew'
/usr/lib/ruby/1.8/phusion_passenger/rack/request_handler.rb:92:in process_request'
/usr/lib/ruby/1.8/phusion_passenger/abstract_request_handler.rb:207:inmain_loop'
/usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:400:in start_request_handler'
/usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:351:inhandle_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:349:inhandle_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:inmain_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:instart'
/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:inspawn_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:inspawn_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:insynchronize'
/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:inspawn_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:insend'
/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:instart_synchronously'
/usr/lib/phusion_passenger/passenger-spawn-server:61

Rendering /home/radical/projects/public/500.html (500 Internal Server Error)