Message SAP /ISDFPS/SAPLPM_CSTA015 - Cannot create delivery --> long text

Diagnosis
You can convert the purchase order to a delivery only ifthe equipment or material serial numbers to be delivered are activelyassigned to the receiving force element on the delivery date.
INCLUDE KEINE-VERARBEITUNG OBJECT DOKU ID TX LANGUAGE EN

Procedure
Make sure that on the delivery datean active assignment to the receiving force elementis created for the equipment or material serialnumbers to be delivered.