Delivery Split Issue

Hi Guys,

Automatic delivery split is not happenning using 'Create background' option through VL10E transaction. However deliveries are creating when we select the each sales order line item quantity and click on 'Create Background' option through the same transaction.

I have checked the previous conversations on above mentioned, but did not get any clue.

Could some one give any idea on automatic delivery split issue ?

Regards,

Suresh K.