ufraw fatal internal error on ubuntu 16.04

I am trying to use ufraw to convert cr2 images to jpeg on Ubuntu 16.04. When I run the following, from the folder in which my images are located:

ufraw-batch --out-type jpg *.CR2

I get the following:

ufraw-batch: Fatal internal error
Segmentation fault (core dumped)

The same thing happens in ufraw GUI. Can anyone help?

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