ASCP workbecn shows reschedule out the shipment date to the need by date

Hi,

Could you please advise on the below issue.

Issue Description:-

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- Sales entered an earlier shipment date as need by from Customer (Korea) into an internal order due to our slots in production line

- Oracle reschedule out the shipment date to the need by date

- Purchasing get the rescheduled dates only and order the material too late

- manufacturing wants to start but material is short, due to ordered to a later date

- shipment ist not in OTD

Expected results:-

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The shipment date have to be this date (Check the attachment) which is used for planning the production and purchasing.