stack trace

ror error

$sudo rake --trace db:migrate:upgrade_plugin_migrations RAILS_ENV=production
(in /var/www/html/redmine-1.2.1)
** Invoke db:migrate:upgrade_plugin_migrations (first_time)
** Invoke environment (first_time)
** Execute environment
rake aborted!
uninitialized constant Rails::Plugin::Dependencies
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.11/lib/active_support/dependencies.rb:131:in `const_missing'
/var/www/html/redmine-1.2.1/vendor/plugins/redmine_google_calendar/init.rb:47:in `reloadable!'
/var/www/html/redmine-1.2.1/vendor/plugins/redmine_google_calendar/init.rb:47:in `each'
/var/www/html/redmine-1.2.1/vendor/plugins/redmine_google_calendar/init.rb:47:in `reloadable!'
/var/www/html/redmine-1.2.1/vendor/plugins/redmine_google_calendar/init.rb:51:in `evaluate_init_rb'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/rails/plugin.rb:158:in `evaluate_init_rb'
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.11/lib/active_support/core_ext/kernel/reporting.rb:11:in `silence_warnings'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/rails/plugin.rb:154:in `evaluate_init_rb'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/rails/plugin.rb:48:in `load'
/var/www/html/redmine-1.2.1/config/../vendor/plugins/engines/lib/engines/plugin.rb:44:in `load'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/rails/plugin/loader.rb:38:in `load_plugins'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/rails/plugin/loader.rb:37:in `each'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/rails/plugin/loader.rb:37:in `load_plugins'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/initializer.rb:369:in `load_plugins'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/initializer.rb:165:in `process'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/initializer.rb:113:in `send'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/initializer.rb:113:in `run'
/var/www/html/redmine-1.2.1/config/environment.rb:20
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.11/lib/active_support/dependencies.rb:182:in `require'
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.11/lib/active_support/dependencies.rb:547:in `new_constants_in'
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.11/lib/active_support/dependencies.rb:182:in `require'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.3.11/lib/tasks/misc.rake:4
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain'
/usr/local/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:607:in `invoke_prerequisites'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `each'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `invoke_prerequisites'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:596:in `invoke_with_call_chain'
/usr/local/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/home/selfsimilar/.gem/ruby/1.8/gems/rake-0.8.7/bin/rake:31
/usr/local/bin/rake:19:in `load'
/usr/local/bin/rake:19