trouble freezing rails gems

I'm trying to freeze gems to version 1.2.6. Where do I find this "initializer" file that is being complained about below? - Dave

[orderton@box347 dps]$ rake rails:freeze:gems VERSION=1.2.6 --trace (in /home/orderton/rails/dps) rake aborted! no such file to load -- /home/orderton/rails/dps/config/../vendor/ rails/railties/lib/initializer /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' /home/orderton/rails/dps/config/boot.rb:16 /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' /home/orderton/rails/dps/Rakefile:4 /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:2149:in `load' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:2149:in `raw_load_rakefile' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1897:in `load_rakefile' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1948:in `standard_exception_handling' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1896:in `load_rakefile' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1880:in `run' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1948:in `standard_exception_handling' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1878:in `run' /usr/lib/ruby/gems/1.8/gems/rake-0.8.1/bin/rake:31 /usr/bin/rake:16:in `load' /usr/bin/rake:16