In the event you should cancel a line item from an order in your BigCommerce store, our app will send an email to you similar to:
Because Line Item Cancellations are NOT accepted by the Google API, you must log directly into your Merchant Center to manually cancel the line item of the order.
Start by logging into Google Merchant Center
Click Orders > All Orders
Locate and click on the appropriate Google order ID associated with this order
On the next page, click the 3-dot icon in the order panel
Click Cancel line item
Follow any further prompts by Google Merchant Center to complete the line item cancellation.
Please Note: Because this is a manual cancellation, no further action is required. Sales & Orders will NOT import this type of change.