Back to Back order Transfer order flow - Revision and impact on source order

Summary:

Hi -We are using back to back sales order flow with type as Transfer order. When business team is increasing the sales order quantity, the fusion is creating new transfer order for additional quantity rather than revising the existing transfer order.

The original sales order quantity was 10000 on order submission the fusion has created the transfer order with quantity 10000. 2) Later the business has revised the SO quantity as 12000. Fusion has created new transfer order with 2000 quantity

Is there anyways to update the existing transfer order rather than creating new ?

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