Redmine

If a project has a subproject,
and the subproject has an issue whose "fixed_version" is shared,
the project and the subproject can not be deleted at once.

Processing ProjectsController#destroy (for 127.0.0.1 at 2010-03-30 23:24:57) [POST]
  Parameters: {"commit"=>"Delete", "confirm"=>"1", "action"=>"destroy", "authenticity_token"=>"s3cPh4RAAGKkzyTkgyW62unKrACnLgS3s40iNwXpcAc=", "id"=>"mytest", "controller"=>"projects"}

RuntimeError (Can't delete version):
  app/models/version.rb:160:in `check_integrity'
  app/controllers/projects_controller.rb:234:in `destroy'
  /opt/local/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
  /opt/local/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
  /opt/local/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
  /opt/local/lib/ruby/1.8/webrick/server.rb:162:in `start'
  /opt/local/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
  /opt/local/lib/ruby/1.8/webrick/server.rb:95:in `start'
  /opt/local/lib/ruby/1.8/webrick/server.rb:92:in `each'
  /opt/local/lib/ruby/1.8/webrick/server.rb:92:in `start'
  /opt/local/lib/ruby/1.8/webrick/server.rb:23:in `start'
  /opt/local/lib/ruby/1.8/webrick/server.rb:82:in `start'

Rendering rescues/layout (internal_server_error)