When you save a purchase order record, ezyVet shows Purchase Order Expense: Figure 1. An error message that shows Purchase Order Expense:A line item of the purchase order record has a Qty value of 0 Find the line item that has a Qty value of 0.Change the Qty value or remove the line item.Select Save.Parent topic: Purchase order troubleshootingRelated informationWhen you try to deactivate a product record, ezyVet shows There are Open Purchase OrdersWhen you save a product supplier invoice, ezyVet shows You have tried to add lines with a different supplier