01-24-2014 04:07 PM - edited 01-24-2014 04:25 PM
I created this as a service request to report a bug, after posting in the forums. Please see:
http://forums.ni.com/t5/LabVIEW/unflatten-from-JSON-dies-on-quot-NULL-quot-responses/td-p/2715447
UPDATE: I figured it out. Please ignore this.