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Error: Error While Creating Customer in QuickBooks. Error Message: The “[Customer Name]” of the list element is already in use.

This article helps Webgility Online users resolve the ‘Error While Creating Customer in QuickBooks. Error Message: The “[Customer Name]” of the list element is already in use’ error by explaining how to address duplicate display names between customers and vendors in QuickBooks Online, ensuring successful posting from Webgility Online.

Cause of the error:

It is a warning that your QuickBooks Online file already has another customer or vendor with the same name.

 

Steps to Resolve:

  1. Verify that the Customer name exists as a Vendor/Customer in QuickBooks Online.

  2. Change the existing customer name in QuickBooks Online.

  3. Once the changes have been made we need to download the latest QuickBooks Online data in Webgility Online and post the order: