Guid error has occurred on an Invoice being published to Xero:
This error can occur for two reasons:
- Invoices processed and supplier account selected before integrating with Xero
- Invoices processed and supplier account selected while connected to another accounts package then switching integration to Xero.
While the description in the drop down menus might be the same the code in the background is different for each accounting package producing this error.
To clear the error and process the invoices follow these steps:
- Unpublish the affected invoices
- Clear the Customer/Category/Tax codes
- Select Supplier/Category/Tax codes again
- Publish invoice
Note - Warning does not immediately disappear. Refresh the page and Invoice will have published.