Not able to Import Snap shot in Configurator

Summary:

I have created ATO model along with Structure and trying to import model in configurator however facing the below issue

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Error Log:Exception: The numeric value set Nonnegative numbers. has no minimum or maximum values, which must be defined for format-only value sets.

Value set is standard out of box and non editable

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):