Java error during install of probes on new robot

Document ID : KB000118767
Last Modified Date : 31/10/2018
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Question:
I am bringing up a new hub and am trying to install probes. I am getting this error when installing: 

java.io.IOException: java.lang.NullPointerException: The value 'id' for the 'inst_file_start' could not be retrieved.
Answer:
- remove any half installed probes/directories
- stop and restart the nimbus service on the machine
- install the probes again