Renamed some VSI and VSM and now the services don't work in DevTest Workstation

Document ID : KB000103118
Last Modified Date : 22/06/2018
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Issue:
In DevTest workstation, copied VSI and VSM to create backups. and now it no longer works. I get the error

" This editor has errors: Please specify the location of a service image to use. This must be the name of a file in your project. "
Environment:
All supported DevTest environments 
Cause:
The Service image location  in  VS Image Response Selection Step was empty 

User-added image

Please 
Resolution:
VS Image selection step was empty. Point the Service Image location to the correct  VSI and save the VSM