Puppet users - Apr 2014 - Error 400 on Server: 0 is not a string. It looks to be a Fixnum on node example.test.net

This is the error I got running puppetlab's puppetdb module trying to setup 
puppetdb and postgresql. I was able to run it locally with puppet apply.

I am running puppet 3.5.1 on both master and agent with hiera. Master is 
running Apache+Passenger.

Has anyone encounter similar issue before and can provide some insights?

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