Please make sure this date is within the rescheduling horizon.
From 06/02/2014 until 12/24/2018 there are more than 999. If you are working 7 days/week, the PO would be without the rescheduling horizon.
Since the rescheduling horizon is calculated in workdays, you must also consider your factory calendar, in order to make sure that this date is within the rescheduling horizon.
BR
Caetano