SAP Message /NFM/CA_ALE012 - Different number of NF data in purchase order and confirmation

Diagnosis
The number of NF segments in the order confirmation differs from thenumber of NF data records in the purchase order. Because the NF dataconcerns agreements relevant to pricing, the above difference meansthat the purchase order is not accepted but a counter quotation issubmitted.

System Response
An error status is set in the IDoc.

Procedure
Purchase orders must be confirmed correctly.