error while installing active admin gem
I am trying to install the latest version of activeadmin gem to my rails app. I followed the documentation http://activeadmin.info/documentation.html but I got this error when I run rake db:migrate.

    rake aborted!
    /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': no such file to load -- InheritedResources

    Tasks: TOP => db:migrate => environment
    (See full trace by running task with --trace)

I installed InheritedResources 

    gem install InheritedResources

this is my gem file 

    source 'https://rubygems.org'

    gem 'rails', '3.2.3'
    
    #working with capastrano 
    # gem 'mysql2', '< 0.3'
    
    #upgraded for local 
    gem 'mysql2', "~> 0.3.11"
    
    group :assets do
      gem 'sass-rails',   '~> 3.2.3'
      gem 'coffee-rails', '~> 3.2.1'
      gem 'uglifier', '>= 1.0.3'
      gem 'compass-rails'
      # gem 'haml', '3.1.4'
      # gem 'haml-rails'
    end
    
    
    gem 'activeadmin'
    gem "meta_search",    '>= 1.1.0.pre'
    
    #Media managment
    gem 'ruby_parser'
    gem 'hpricot'
    group :development do 
    	##gem 'annotate', :git => 'git://github.com/ctran/annotate_models.git' 
    end
    
    group :test do 
    end
    
    group :production do 
    end
    
    # deployment 
    gem 'capistrano'


this is my gem env 

    RubyGems Environment:
      - RUBYGEMS VERSION: 1.3.6
      - RUBY VERSION: 1.8.7 (2010-01-10 patchlevel 249) [universal-darwin11.0]
      - INSTALLATION DIRECTORY: /Library/Ruby/Gems/1.8
      - RUBY EXECUTABLE: /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
      - EXECUTABLE DIRECTORY: /usr/bin
      - RUBYGEMS PLATFORMS:
        - ruby
        - universal-darwin-11
      - GEM PATHS:
         - /Library/Ruby/Gems/1.8
         - /Users/aaalsubaie/.gem/ruby/1.8
         - /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8
      - GEM CONFIGURATION:
         - :update_sources => true
         - :verbose => true
         - :benchmark => false
         - :backtrace => false
         - :bulk_threshold => 1000
         - "gem" => "--no-ri --no-rdoc"
      - REMOTE SOURCES:
         - http://rubygems.org/

 
error while installing active admin gem
===

I am trying to install the latest version of activeadmin gem to my rails app. I followed the documentation http://activeadmin.info/documentation.html but I got this error when I run rake db:migrate.

    rake aborted!
    /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': no such file to load -- InheritedResources

    Tasks: TOP => db:migrate => environment
    (See full trace by running task with --trace)

I installed InheritedResources 

    gem install InheritedResources

this is my gem file 

    source 'https://rubygems.org'

    gem 'rails', '3.2.3'
    
    #working with capastrano 
    # gem 'mysql2', '< 0.3'
    
    #upgraded for local 
    gem 'mysql2', "~> 0.3.11"
    
    group :assets do
      gem 'sass-rails',   '~> 3.2.3'
      gem 'coffee-rails', '~> 3.2.1'
      gem 'uglifier', '>= 1.0.3'
      gem 'compass-rails'
      # gem 'haml', '3.1.4'
      # gem 'haml-rails'
    end
    
    
    gem 'activeadmin'
    gem "meta_search",    '>= 1.1.0.pre'
    
    #Media managment
    gem 'ruby_parser'
    gem 'hpricot'
    group :development do 
    	##gem 'annotate', :git => 'git://github.com/ctran/annotate_models.git' 
    end
    
    group :test do 
    end
    
    group :production do 
    end
    
    # deployment 
    gem 'capistrano'


this is my gem env 

    RubyGems Environment:
      - RUBYGEMS VERSION: 1.3.6
      - RUBY VERSION: 1.8.7 (2010-01-10 patchlevel 249) [universal-darwin11.0]
      - INSTALLATION DIRECTORY: /Library/Ruby/Gems/1.8
      - RUBY EXECUTABLE: /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
      - EXECUTABLE DIRECTORY: /usr/bin
      - RUBYGEMS PLATFORMS:
        - ruby
        - universal-darwin-11
      - GEM PATHS:
         - /Library/Ruby/Gems/1.8
         - /Users/aaalsubaie/.gem/ruby/1.8
         - /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8
      - GEM CONFIGURATION:
         - :update_sources => true
         - :verbose => true
         - :benchmark => false
         - :backtrace => false
         - :bulk_threshold => 1000
         - "gem" => "--no-ri --no-rdoc"
      - REMOTE SOURCES:
         - http://rubygems.org/

 