The Account Number already exists sync fault

This issue arises when a Xero customer has been assigned the same account number while also being marked as archived.

How to resolve

If you receive a error message from Cloud Depot - Invoice Fault! Xero reported a validation fault: The Account Number already exists

Access your Xero account, locate the archived contact, and unarchive it. Next, either remove or modify the account number, and then re-archive the contact.

Then issue a re-sync of the faulting invoice.