Problem with viewpoint packaging

I followed a tutorial on Youtube for the quality assessment viewpoint ( and I have a problem with the viewpoint package generation.
I generate the viewpoint, run a configuration to test it and it works, as you can see in the picture below.
But when I click on “Generate and package viewpoint” to obtain the file to put in the dropins of Capella, the following message appears after the viewpoint generation :
Has someone already seen this message ?
Thanks in advance,
Best regards

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