Message SAP WTADDI_APPL051 - Status of supplementary logistics service &1 (&2) is set to &3 (&4)

Diagnosis
Service &V1& (&V2&) is a follow-up action that isdefined as a Supplementary Logistics Service. The current goods receiptitem is a purchase order in which the vendor is informed of thisservice. The service is to be provided by a vendor.
The status of the service is updated appropriately in goods receipt. Ithas status &V3&. The service becomes &V4&.