The restaurant missed an order in the order-taking app but it’s ok and they will deliver anyway…
If the restaurant missed or had to reject an order, the best is to call back the client, apologize for the unexpected outcome and ask if the client still wants the order to be fulfilled, despite the system’s cancellation notice.
For rejected orders, the client has an option to modify and retry to place the order, like this:
For missed orders, there is an option to try again:
This will effectively generate an order with a different ID.