Diagnosis
The item to be copied in the preceding document is completely orpartially relevant for requirements. Immediate delivery is switched onin the target document. Quantity closing for the preceding item isswitched on in copying control.
These settings mean a multi-level requirements allocation in theavailability check is necessary (for example Quotation => Sales Order=>Delivery).
A multi-level requirements allocation is not possible at the moment.

System Response
The item cannot be copied.

Procedure
Select a sales order type without immediate delivery for the targetdocument.