ChiliProject error log

gistfile1.txt

Processing IssuesController#create (for 178.236.241.96 at 2011-09-19 04:04:53) [POST]
  Parameters: {"authenticity_token"=>"Y7xzr+d+tGT3UWkJm2li7lj67qlcaxuGAqHuF2DzzQY=", "issue"=>{"tracker_id"=>"2", "subject"=>"\xD0\x9D\xD0\xB0\xD1\x81\xD1\x82\xD1\x80\xD0\xBE\xD0\xB8\xD1\x82\xD1\x8C ChiliProject", "parent_issue_id"=>"", "description"=>"", "status_id"=>"1", "priority_id"=>"4", "assigned_to_id"=>"3", "start_date"=>"2011-09-19", "due_date"=>"", "estimated_hours"=>"", "done_ratio"=>"0"}, "attachments"=>{"1"=>{"description"=>""}}, "send_notification"=>"1", "commit"=>"\xD0\xA1\xD0\xBE\xD0\xB7\xD0\xB4\xD0\xB0\xD1\x82\xD1\x8C", "controller"=>"issues", "action"=>"create", "project_id"=>"blackbat"}

Encoding::CompatibilityError (incompatible character encodings: UTF-8 and ASCII-8BIT):
  app/models/mailer.rb:46:in `issue_add'
  app/models/issue_observer.rb:19:in `after_create'
  /opt/nginx/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/observer.rb:186:in `block in notify_observers'
  /opt/nginx/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/observer.rb:185:in `each'
  /opt/nginx/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/observer.rb:185:in `notify_observers'
  app/controllers/issues_controller.rb:121:in `create'
  <internal:prelude>:10:in `synchronize'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/rack/request_handler.rb:96:in `process_request'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_request_handler.rb:513:in `accept_and_process_next_request'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/classic_rails/application_spawner.rb:321:in `start_request_handler'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/classic_rails/application_spawner.rb:275:in `block in handle_spawn_application'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/utils.rb:479:in `safe_fork'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/classic_rails/application_spawner.rb:270:in `handle_spawn_application'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server.rb:180:in `start'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/classic_rails/application_spawner.rb:149:in `start'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb:219:in `block (2 levels) in spawn_rails_application'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb:214:in `block in spawn_rails_application'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server_collection.rb:82:in `block in synchronize'
  <internal:prelude>:10:in `synchronize'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb:213:in `spawn_rails_application'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb:132:in `spawn_application'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
  /opt/nginx/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.9/helper-scripts/passenger-spawn-server:99:in `<main>'

Rendering /opt/vhosts/pm.blackbat.lolmaus.ru/public/500.html (500 Internal Server Error)