title: AWS EC2 'You are not authorized to perform this operation. Encoded authorization failure message:'
body: <p>I am attempting to create an EC2 instance and get the following error message. How do I decode it ?</p>
  <p><strong>Launch Failed</strong></p>
  <blockquote>
  <p>You are not authorized to perform this operation.
  Encoded authorization failure message:
  KDmmJmkLKmQhatEqYt...MN3iUtfAa</p>
  </blockquote>