SAP Message VL186 - Delivery is already fully invoiced

Diagnosis
The billing document for the delivery was already created.

System Response
Further processing is not possible.

Procedure
Stop the dialog or confirm more picking orders.

504233VL186: Batch determination not possible
550284Delivery cannot be changed although billing status allows it
312865Message VL186 stops processing of deliveries
493940Preventing deletion of delivery despite cancelled bill