sales order line split issue

Pick release not splitting the order line When Insufficient Quantity of Inventory Item on-Hand

*Pick Release the order, at a time when there is insufficient quantity to satisfy the entire quantity ordered. It is expected that the available quantity will be pick released, and the unavailable quantity will be backordered on a new order line.

observed no split i.e. no new order line created for unavailable quantity.

Oracle Applications : 12.2.11