I did create migration in my ~/project_dev, i want rake it but it can not work. Please help me.
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ERROR
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[~/project_dev]$ rake db:migrate RAILS_ENV=production --trace
(in /home/vigesof/project_dev)
rake aborted!
undefined method `last' for {}:Hash
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1653:in `resolve_args'
/home/vigesof/project_dev/config/../vendor/plugins/engines/tasks/engines.rake:9:in `redefine_task'
/home/vigesof/project_dev/config/../vendor/plugins/engines/tasks/engines.rake:24:in `redefine_task'
/home/vigesof/project_dev/config/../vendor/plugins/engines/tasks/engines.rake:63
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1183:in `each'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1183:in `send'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1183:in `each'
/home/vigesof/project_dev/config/../vendor/plugins/engines/tasks/engines.rake:61
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1737:in `in_namespace'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:821:in `namespace'
/home/vigesof/project_dev/config/../vendor/plugins/engines/tasks/engines.rake:58
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1737:in `in_namespace'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:821:in `namespace'
/home/vigesof/project_dev/config/../vendor/plugins/engines/tasks/engines.rake:54
/usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/tasks/rails.rb:8:in `load'
/usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/tasks/rails.rb:8
/usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/tasks/rails.rb:8:in `each'
/usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/tasks/rails.rb:8
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
/home/vigesof/project_dev/Rakefile:10
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:2149:in `load'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:2149:in `raw_load_rakefile'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1897:in `load_rakefile'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1948:in `standard_exception_handling'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1896:in `load_rakefile'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1880:in `run'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1948:in `standard_exception_handling'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:1878:in `run'
/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/bin/rake:31
/usr/local/bin/rake:19:in `load'
/usr/local/bin/rake:19
[~/project_dev]$
