title: How to resolve "cannot load such file -- iconv" in Rhodes framework
body: <p>I would like to create a new app using the Rhodes framework but I have some errors like this:</p>
  
  <pre><code>C:\Users\TOUCH&gt;rhodes app pharma
  C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:120:in `require': cannot load such file -- iconv (LoadError)
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:120:in `require'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-2.3.18/lib/active_support/inflector.rb:3:in `&lt;top (required)&gt;'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-2.3.18/lib/active_support/core_ext/integer/inflections.rb:1:in `&lt;top (required)&gt;'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-2.3.18/lib/active_support/core_ext/integer.rb:2:in `&lt;top (required)&gt;'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-2.3.18/lib/active_support/core_ext.rb:8:in `block in &lt;top (required)&gt;'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-2.3.18/lib/active_support/core_ext.rb:8:in `each'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-2.3.18/lib/active_support/core_ext.rb:8:in `&lt;top (required)&gt;'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/activesupport-2.3.18/lib/active_support.rb:56:in `&lt;top (required)&gt;'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:68:in `require'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rhodes-3.5.1.12/res/generators/rhogen.rb:6:in `&lt;top (required)&gt;'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:120:in `require'
          from C:/Ruby22-x64/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:120:in `require'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rhodes-3.5.1.12/bin/rhogen:5    :in `&lt;top (required)&gt;'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rhodes-3.5.1.12/bin/rhodes:4    :in `load'
          from C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/rhodes-3.5.1.12/bin/rhodes:4    :in `&lt;top (required)&gt;'
          from C:/Ruby22-x64/bin/rhodes:22:in `load'
          from C:/Ruby22-x64/bin/rhodes:22:in `&lt;main&gt;'
  </code></pre>
  
  <p>How can I resolve it?</p>