Field help (QTYEXPFLG) 

Help common to functions: Shipments, Shipment pre-receipt and Order pre-receipt.

This flag cannot be entered. It indicates the choice made when the manual closing of a shipment or shipment pre-receipt line has be requested. This flag can be determining in one of the following situations:

When this flag is enabled, the shipped quantity is included: you can perform a shipment for this order line.
When this flag is disabled, you will need to record a new order.