Diagnosis
In the item transferred, a customer material number is specified that isnot available in the determined sales document/in the determineddelivery.

System Response
The item cannot be processed in this way.

Procedure
You can use the "Process Errors" function to change the transferredcustomer material number.
In this case however, you must also make sure that the data is correctin a subsequent successful assignment of transferred item to an item inthe sales document/in the delivery.
In any case, you must check why there is a discrepancy in the customermaterial number. It is possible that you are using an incorrect customermaterial number in the underlying order/delivery plan, that is thentransferred incorrectly into deliveries.
In this case, change the data so that future deliveries contain thecorrect customer material number in sales document items.