title: Unable to load cocoapods - Could not find 'encrypted_strings' - Gem::LoadError
body: <p>I am not able to load cocoapods. No matter what gem command I type in, I get the following error:</p>
  
  <pre><code>/Users/jeff//.rvm/rubies/ruby-
  2.1.5/lib/ruby/site_ruby/2.1.0/rubygems/dependency.rb:315:in `to_specs': 
  Could not find 'encrypted_strings' (&gt;= 0) among 18 total gem(s) (Gem::LoadError)
  Checked in 
  'GEM_PATH=/Users/jeff/.gem/ruby/2.1.0:/Users/jeff/.rvm/rubies/ruby-
  2.1.5/lib/ruby/gems/2.1.0', execute `gem env` for more information
  from /Users/jeff/.rvm/rubies/ruby-
  2.1.5/lib/ruby/site_ruby/2.1.0/rubygems/dependency.rb:324:in `to_spec'
  from /Users/jeff/.rvm/rubies/ruby-
  2.1.5/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_gem.rb:58:in `gem'
  from /Users/jeff/.rvm/rubies/ruby-
  2.1.5/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_gem.rb:65:in `&lt;module:Kernel&gt;'
  from /Users/jeff/.rvm/rubies/ruby-
  2.1.5/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_gem.rb:7:in `&lt;top (required)&gt;'
  from /Users/jeff/.rvm/rubies/ruby-
  2.1.5/lib/ruby/site_ruby/2.1.0/rubygems.rb:1235:in `require'
  from /Users/jeff/.rvm/rubies/ruby-
  2.1.5/lib/ruby/site_ruby/2.1.0/rubygems.rb:1235:in `&lt;top (required)&gt;'
  from &lt;internal:gem_prelude&gt;:1:in `require'
  from &lt;internal:gem_prelude&gt;:1:in `&lt;compiled&gt;'
  </code></pre>
  
  <p>I get this error when I type any of the following:</p>
  
  <p>sudo gem install cocoapods</p>
  
  <p>gem uninstall cocoapods</p>
  
  <p>gem env</p>
  
  <p>sudo gem install encrypted_strings</p>
  
  <p>My mac is running version 10.12.6 osx</p>
  
  <p>I do have Ruby in my /Library. The subdirectories contains Gems/2.0.0.</p>
  
  <p>Note that some time ago, I was working on another project that had me update Ruby to version ruby-2.1.5 and ruby-2.1.5-dev. These are found in "/Users/jeff/.rvm/rubies". Now if I go to "/Library/Ruby/Gems", there is a subdirectory called 2.0.0. Is there an incompatibility here?</p>
  
  <p>How can I correct this problem? Should I somehow remove these versions. If so, how?</p>