Disregard...I was actually seeing this error due to defective input pdf's caused by https://bugs.launchpad.net/ubuntu/+source/evince/+bug/784228
Sorry & thanks.
Disregard...I was actually seeing this error due to defective input pdf's caused by https:/ /bugs.launchpad .net/ubuntu/ +source/ evince/ +bug/784228
Sorry & thanks.