How to consume Forecast at BU Level in Supply Planning?

Summary

While delivering goods directly from another warehouse to customer, forecast consumption at selling BU doesn't consider sales order in planning.

Content (required):

Business has so many sales offices in different countries across Europe. There is only 1 distribution center at Sweeden which does direct shipment to customer in case of sales order is created by any sales offices. Now, consider the case that Sales office in Denmark upload the forecast of sales of certain items to Oracle system as an external forecast. When sales order is created Sweeden is entered as supply warehouse on sales order. Denmark BU has Denmark inventory org and Sweeden BU has Sweeden inventory org associated with. In suppluy planning, Sales order is reflected in Sweeden BU not