Puppet users - Jun 2013 - Error: Could not retrieve catalog from remote server: Error 400 on SERVER: A JSON text must at least contain two octets! at /etc/puppet/manifests/site.pp:4 on node irnode

Hi everyone. 

I am receiving an error on this line:

hiera_include(''classes'')

According to documentation here: 
http://docs.puppetlabs.com/hiera/1/puppet.html#hiera-lookup-functions it 
seems to the standard way to call hiera_include.

Has anyone run into this issue? It only happens after a single puppet run.

Thank you

Kyle C

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