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

Products

• CA IT Asset Manager
• CA Software Asset Manager (CA SAM)
• ASSET PORTFOLIO MGMT- SERVER
• CA Service Management - Asset Portfolio Management
• CA Service Management - Service Desk Manager

Issue/Introduction

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

Environment

Release:
Component: ARGIS

Resolution

Verify the model class in the data import file for the import matches the model class that currently exists on the asset.