Sometimes, invoices can fail to get synchronized with Xero. When this happens, this is indicated in Cone. The invoice activity log shows the error and the details
You can view the invoice activity log by clicking on clicking on any invoice
Below are some of the common errors that can happen and how you can resolve them. Once the issue is resolved, you can use Sync to accounting app option to add it to Xero
Errors
The TaxType code cannot be used with account code
When this happens, it may be due to a tax type code not being compatible with the account in Xero. A usual scenario is due to a mismatch between revenue and expense codes
Possible Solutions:
Adjust settings in Xero: Enable the specific tax code type for use with the account in context
Update account on the service: Change the invoice account associated with service line item in the invoice as described here
Account code is not valid code for this document
This happens when the selected invoice account in the service is not a valid revenue account
Possible Solutions:
Adjust settings in Xero: In Xero, allow the above tax code on the account
Update account on the service: Change the invoice account associated with service line item in the invoice as described here