Redmine

updated Redmine code to the latest trunk version (r4460) and can't open the project page anymore:

URL: http://172.17.10.37:3000/projects/rw?jump=welcome

Internal error

An error occurred on the page you were trying to access.
If you continue to experience problems please contact your redMine administrator for assistance.
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Processing ProjectsController#show (for 172.17.10.62 at 2010-12-03 10:49:56) [GET]
  Parameters: {"jump"=>"welcome", "action"=>"show", "id"=>"rw", "controller"=>"projects"}
Rendering projects/show

ActionView::TemplateError (No builder for format ) on line #1 of app/views/projects/show.apit:
1: api.project do
2:   api.id          @project.id
3:   api.name        @project.name
4:   api.identifier  @project.identifier

    lib/redmine/views/builders.rb:25:in `for'
    app/views/projects/show.apit:1:in `_run_apit_app47views47projects47show46apit'
    app/controllers/projects_controller.rb:166:in `show'
    /usr/lib/ruby/1.8/mongrel/rails.rb:76:in `process'
    /usr/lib/ruby/1.8/mongrel/rails.rb:74:in `synchronize'
    /usr/lib/ruby/1.8/mongrel/rails.rb:74:in `process'
    /usr/lib/ruby/1.8/mongrel.rb:159:in `process_client'
    /usr/lib/ruby/1.8/mongrel.rb:158:in `each'
    /usr/lib/ruby/1.8/mongrel.rb:158:in `process_client'
    /usr/lib/ruby/1.8/mongrel.rb:285:in `run'
    /usr/lib/ruby/1.8/mongrel.rb:285:in `initialize'
    /usr/lib/ruby/1.8/mongrel.rb:285:in `new'
    /usr/lib/ruby/1.8/mongrel.rb:285:in `run'
    /usr/lib/ruby/1.8/mongrel.rb:268:in `initialize'
    /usr/lib/ruby/1.8/mongrel.rb:268:in `new'
    /usr/lib/ruby/1.8/mongrel.rb:268:in `run'
    /usr/lib/ruby/1.8/mongrel/configurator.rb:282:in `run'
    /usr/lib/ruby/1.8/mongrel/configurator.rb:281:in `each'
    /usr/lib/ruby/1.8/mongrel/configurator.rb:281:in `run'
    /usr/lib/ruby/1.8/mongrel/command.rb:212:in `run'

Rendering /opt/redmine/public/500.html (500 Internal Server Error)