Diagnosis
The delivery quantity of all batch split items is greater than theoriginal delivery quantity of the main item. The open quantity of themain item is set to zero. The cumulated schedule line quantity of themain item is equal to the sum of the delivery quanity of all batchitems.
If the delivery quantity of a split item is reduced, the main itemcontains an open quantity again. Since processing is carried out perline on the batch split screen, the items whose quantity was reducedare to be entered first.

Procedure
To set the open quantity back to zero, or to reduce it, you can reducethe delivery quantity of the main item respectively. To avoid theeffect on the open delivery quantity described above, change the itemswhose quantities are reduced before the items whose quantities areincreased.