SAP Message WRF_APC344 - Update scheduling for purchasing list item &1 (see longtext)

Diagnosis
The date line for purchasing list item &V1& is obsolete. The followingdata is not consistent between the purchasing list item data and thedate line:
V2
V3
V4

System Response
The purchasing list item cannot be released unless the date line isupdated.

Procedure
Go to the item data and call up the scheduling transaction to change thedate line.