I got a error in the tutorial of "Building Software Systems for Image-Guided Robot-Assisted Interventions"

Hello guys,
I’ve follow the tutorial steps to build the communication between ROS and Slicer,but I got a error when follow the step to launch ‘IGTL Exporter/Importer from a new terminal’:
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i got the error like below:
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By the way,my Ubuntu os is 16.04 works in the VMware,ROS version is kinetic and Python version is Python 2.7.12 .

Can someone help me figure out the problem,thanks for any reply
-Jian

You might use a too old version of the tutorial, Ubuntu, and ROS. Try to find the latest version. If you still have problems, submit an issue in the github repository of the tutorial.