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Error Code: 6240 - The name supplied already exists: Another customer, vendor, or employee is already using this customer UTV source. Please use a different name.

This article explains Webgility Online users how to resolve Error Code 6240 in Webgility Online, which occurs when posting an order to QuickBooks Online. The error arises because QuickBooks Online does not allow a customer, vendor, or employee to share the same name. To fix this, users must locate and rename the conflicting record in QuickBooks Online, refresh the customer data in Webgility Online, and then repost the order.

Error Message:

Error Code: 6240 - The name supplied already exists: Another customer, vendor, or employee is already using this customer [customer name]. Please use a different name.

Reason:

This error typically occurs when there is a customer, vendor, or employee in your QuickBooks company file that shares the same name as the one linked to an order.



To resolve this error, follow these steps:

1). Log in to QuickBooks Online:

  •  Search for the customer name came in the order under Employees, Vendors list in QuickBooks Online.
  •  If found then edit it, as QuickBooks Online doesn't allows to create a customer and an Employee/Vendor with the same name. 
  • Once the edit is done, click on save.

2). Download the Latest Data:

Open Webgility Online and download the latest customer data from QuickBooks. This ensures that Webgility Online has the most up-to-date information.

Follow the article:  Download the Latest Data from QuickBooks in Webgility Online

3). Post the Order:

  • After downloading the data, try posting the order again in Webgility Online. The error should now be resolved.