シンをインストールして実行しようとするthin start
と、このエラーが発生します
C:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': no such file to load -- C:/Ruby192/lib/ruby/gems/1.9.1/gems/thin-1.2.8-x86-mingw32/lib/1.9/thin_parser (LoadError)
from C:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thin-1.2.8-x86-mingw32/lib/thin.rb:48:in `rescue in <top (required)>'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thin-1.2.8-x86-mingw32/lib/thin.rb:43:in `<top (required)>'
from C:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from C:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thin-1.2.8-x86-mingw32/bin/thin:5:in `<top (required)>'
from C:/Ruby192/bin/thin:19:in `load'
from C:/Ruby192/bin/thin:19:in `<main>'
誰かが私を助けてくれますか、事前に感謝します