# NoMethodError in Auto adminController#index

**URL:** <https://www.ruby-forum.com/t/nomethoderror-in-auto-admincontroller-index/124206>\
**Category:** Rails\
**Created:** [December 26, 2007, 1:50pm UTC](https://www.ruby-forum.com/t/nomethoderror-in-auto-admincontroller-index/124206 "2007-12-26T13:50:02Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![sridhar](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/9fc29f/32.png) [@sridhar](https://www.ruby-forum.com/u/sridhar)\
**Post date:** [December 26, 2007, 1:50pm UTC](https://www.ruby-forum.com/t/nomethoderror-in-auto-admincontroller-index/124206/1 "2007-12-26T13:50:02Z")

</div>

I’m a pretty big newbie with ROR, but when following a tutorial I  
encounter an ugly error when building a scaffold. here is what am  
getting the error while trying to execute the applicaton…

C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active\_support/dependencies.rb:376:in  
`new_constants_in' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:202:in`load\_file’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active\_support/dependencies.rb:94:in  
`require_or_load' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:248:in`load\_missing\_constant’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active\_support/dependencies.rb:453:in  
`const_missing' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:465:in`const\_missing’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active\_support/inflector.rb:257:in  
`constantize' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/core_ext/string/inflections.rb:148:in`constantize’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/routing.rb:1426:in  
`recognize' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:170:in`handle\_request’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/dispatcher.rb:115:in  
`dispatch' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:126:in`dispatch\_cgi’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/dispatcher.rb:9:in  
`dispatch' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/webrick_server.rb:112:in`handle\_dispatch’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/webrick\_server.rb:78:in  
`service' C:/InstantRails/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in`service’  
C:/InstantRails/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in `run' C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:173:in`start\_thread’  
C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start' C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:162:in`start\_thread’  
C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start' C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:92:in`each’  
C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:92:in `start' C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:23:in`start’  
C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:82:in `start' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/webrick_server.rb:62:in`dispatch’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/servers/webrick.rb:66  
C:/InstantRails/ruby/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:27:in  
`gem_original_require' C:/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in`require’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active\_support/dependencies.rb:496:in  
`require' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in`new\_constants\_in’  
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active\_support/dependencies.rb:496:in  
`require' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/server.rb:39 C:/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in`gem\_original\_require’  
C:/InstantRails/ruby/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:27:in  
`require’

You have a nil object when you didn’t expect it!  
You might have expected an instance of Array.  
The error occurred while evaluating nil.empty?

Please suggest me asap…