SAP Knowledge Base Article - Public

2655178 - Outbound Delivery Invoice Request Inconsistent: 'Determining quantity or unit of measure for invoicing not possible'


When checking inconsistent or partially inconsistent outbound delivery invoice request DEF (DEF represents the invoice request ID) the following error messages are shown:

  • 'Determining quantity or unit of measure for invoicing not possible'
  • 'Check tax codes; taxation for chain transaction may apply'


SAP Business ByDesign

Reproducing the Issue

  1. Go to the Customer Invoicing work center.
  2. Go to the Invoice Requests view.
  3. Search for invoice request DEF and select it. 
  4. Click check.

System shows messages:

  • 'Determining quantity or unit of measure for invoicing not possible'.
  • 'Check tax codes; taxation for chain transaction may apply'.

The status shows as partially inconsistent.


  • This is a Third-Party Order Scenario.
  • There are discrepancies on the quantity to be invoiced and the quantity that was planned on the preceding purchase order document.


You need to check on preceding documents where the discrepancies occur:

  • sales order
  • purchase order
  • purchase order acknowledgment
  • third-party outbound delivery
  • outbound delivery invoice request

The quantity on the purchase order acknowledgment must match the quantity on the third-party outbound delivery.

Check if the following task is raised on the purchase order: Check Deviating Purchase Order Acknowledgment.
If this is the case, cancel the outbound delivery, check the deviating quantity and resume invoicing.

See Also

Please check KBA 1381358 - Reversal of Outbound Delivery, on how to cancel Outbound Deliveries

KBA: 2814513 - Your Invoice Request Is Inconsistent


Outbound delivery invoice request, Purchase order, purchase order acknowledgment, Check Deviating Purchase Order Acknowledgment, demande de facture, incohérente, quantité, error messages, message d'erreur, Commandes d'achat , KBA , AP-CI-CI , Customer Invoice , Problem


SAP Business ByDesign all versions