Incorrect updates by R42950

Dear All,

During the last year end closing , when Sales Order Repost (R42950) was executed, it updated all selected open sales orders' requested date to a future date if it was on backorder with a historical Request Date. New shipment records were replaced with existing ones, which referred to new delivery dates. The original shipment records still retained the original dates.   The Shipment numbers were changed and in many cases, replaced many shipment numbers that may have been on an original order.  The impact was that these old sales orders showed up as being ready for picking.  In last year-end process, there have more than thousands orders across