title: ArgumentError (A secret is required to generate an integrity hash for cookie session data
body: <p>I am getting this error while running rails application and here is the complete Error</p>
  
  <blockquote>
    <p>ArgumentError (A secret is required to generate an integrity hash for
    cookie session data. Use config.secret_token = "some secret phrase of
    at least 30 characters"in config/initializers/secret_token.rb):<strong>**</strong></p>
  </blockquote>
  
  <p>I use rvm 1.9.3 and rails 3.2.13.</p>
  
  <p>Any help appreciated.</p>
  
  <p>Thanks in advance.</p>