ITrack/Quickbooks/Error 3140 - Invalid reference to Quickbooks AR Account

Cause

Error 3140 - Invalid reference to Quickbooks AR Account <account name> in the invoice.

A setting in Quickbooks became unassociated with its value in ITrack.

Solution

In the Quickbooks Tools Screen, go to the 'Config' tab and associate the relevant AR Accounts (Invoices, Payments, and Credit Memos), by double clicking on them and selecting the appropriate options in the list.