Delivery Details Assignment Is Not Working Using Api. These entities can not be grouped together as
When attempting to assign deliveries to delivery details the following error is shown:
Error in assigning one or more details to a delivery. Warning: These entities can not be grouped together as their grouping attributes do not match.
Solution(As per 1363922.1)
Add the customer_id to the delivery created by the API then assign it to the delivery details of the sales order.
What does this mean? Can somebody please help?