Message SAP WRF_PRC_CTR015 - DL_ID of item &1 &2 from PO and R/3 interface do not match

Diagnosis
The dateline ID from the purchase order document and the dateline IDtransferred on the activity controller interface are not identical.

System Response
The controller transferred this activity to the worklist. The systemcopied the dateline ID of the purchase order. Automatic activities wereprocessed in the controller.

Procedure
Check the worklist.