This document explains on how account code or ID must be specified in Xero.

1. Log in to Xero, go to Business > Product and services.

2. Verify all the items related to the alert invoice has an account code tagged to Sales account.

3. To verify, look for the item > ensure the item has an account set.

Example:

4. If the item didn’t have an account linked, please edit the item and link an account code to sales account.

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