title: Encryption error after upgrading mule from 3.8 to 3.9
body: <p>Have anyone got below error, Please help.  </p>
  
  <pre><code>java.lang.RuntimeException: org.mule.security.encryption.MuleEncryptionException: Could not encrypt the data
  </code></pre>
  
  <p>This never got while using mule version 3.8,
  but started getting after upgrading to mule 3.9.</p>