SAP Message VLA209 - No material docs exist for the document; partial reversal not possible

Diagnosis
A partial goods delivery should be reversed for the inbound delivery.However, as this inbound delivery does not contain any stock postingsin the document flow, but instead contains items with the entry"confirmation of service", you cannot select and reverse individualmaterial documents.

System Response
In this case, the system does not allow you to carry out partialreversal.

Procedure
You can only reverse the entire goods receipt for this inbounddelivery.