Data Importer errorThe combination of Model Name, Manufacturer ID and Tenant ID is not unique for all Model

Document ID : KB000074834
Last Modified Date : 02/05/2018
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Question:
I am trying to import assets in IT Asset Manager using the Data Importer. I am getting an error:
02/06/2018 06:02:43.423 AM Web Service threw exception CA.Common.Utilities.Exceptions.ValidationException: 1. The combination of Model Name, Manufacturer ID and Tenant ID is not unique for all Model: Virtual Machine, Null, Null
Answer:
Verify the model class in the data import file for the import matches the model class that currently exists on the asset.