Ruby on Rails framework could not be loaded

The application's developer seems to have bundled a non-working version of the Ruby on Rails framework. Please contact the application's developer.

Framework that failed to load:

Vendor directory: /home/slawosz/projekty/blog.mis.org.pl/vendor/rails

Error message:

no such file to load -- action_web_service (MissingSourceFile)

Exception class:

Passenger::UnknownError

Backtrace:

#	File	Line	Location
0	/opt/ruby-enterprise-1.8.6-20080623/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb	27	in `gem_original_require'
1	/opt/ruby-enterprise-1.8.6-20080623/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb	27	in `require'
2	/home/slawosz/projekty/blog.mis.org.pl/vendor/rails/activesupport/lib/active_support/dependencies.rb	495	in `require'
3	/home/slawosz/projekty/blog.mis.org.pl/vendor/rails/activesupport/lib/active_support/dependencies.rb	342	in `new_constants_in'
4	/home/slawosz/projekty/blog.mis.org.pl/vendor/rails/activesupport/lib/active_support/dependencies.rb	495	in `require'
5	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/railz/framework_spawner.rb	250	in `preload_rails'
6	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/railz/framework_spawner.rb	205	in `initialize_server'
7	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/abstract_server.rb	166	in `start_synchronously'
8	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/abstract_server.rb	135	in `start'
9	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/abstract_server.rb	112	in `fork'
10	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/abstract_server.rb	112	in `start'
11	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/railz/framework_spawner.rb	87	in `start'
12	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/spawn_manager.rb	224	in `spawn_rails_application'
13	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/spawn_manager.rb	219	in `synchronize'
14	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/spawn_manager.rb	219	in `spawn_rails_application'
15	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/spawn_manager.rb	122	in `spawn_application'
16	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/spawn_manager.rb	253	in `handle_spawn_application'
17	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/abstract_server.rb	317	in `__send__'
18	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/abstract_server.rb	317	in `main_loop'
19	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/lib/passenger/abstract_server.rb	168	in `start_synchronously'
20	/usr/lib/ruby/gems/1.8/gems/passenger-1.9.1/bin/passenger-spawn-server	46