Error: "An error occurred while trying to retrieve 'Unique' part from specified"

When trying to pay vendors, you might get this error: "An error occurred while trying to retrieve 'Unique' part from specified".

What causes the error

There are two reasons you might get this error:

  • You've selected an incorrect Payment Method on the Vendor > Payment Settings tab.
  • You've left the Payment Instructions blank.

To fix the issue

Make sure that you:

  • Select the correct Payment Method on the vendor's Payment Details tab.
  • Correctly fill in the Payment Instructions.