In this case, we will check with factory first and let you know about the cancellation of MDR-XB200LTRQLA.
But if factory cannot accept to cancel PO.KW49H8 so you should be recreate PO again.
We understood that this model has high inventory however, we have already remind to you almost every week per the attachment file for your ref.
If we get information from factory, we will update you immediately.