Incorrect accounting date in GL for relieve of commitment

Updating the year in a Purchase Requisition in Purchasing

While updating the accounting date to year 2018 for a purchase requisition created in 2017.

Encumbrances are correctly relieved in Purchasing, but not in GL.

In GL, the encumbrance is relieved in the accounting date of the PO line (2018 in this case) instead of doing it in the accounting date of the purchase requisition (2017 in this case).

This makes the funds of 2017 remain committed and not released for the creation of the order while 2018 is left with commitments that do not belong to it.

Thanks in advance!!!!