What does the Cancel_Request stage mean?

The Cancel_Request stage means that the external delivery provider could not complete the delivery and canceled it.

This does not mean that the order should be canceled, first validate the delivery provider's reason for cancellation.

If the reason is that the driver did not find the delivery address, try contacting your customer to validate that it is correct. Once corrected, you can request delivery again with the same or another delivery provider.

If the reason does not allow you to try again, such as the customer rejecting the product, then you can finally cancel the delivery.