3515687 - Button Reverse Confirmation is Disabled in Production Confirmation

In the edit screen of production confirmation ABC (ABC represents confirmation ID), Button Reverse Confirmation is disabled.

SAP Business ByDesign

1. Go to work center Audit, access view Production Lots. 
2. Search DEF (DEF represents production lot ID), click View, click Edit.
3. Select tab Confirmations, open confirmation ABC, click Edit. The button Reverse Confirmation is disabled.

Once a production lot is closed, no further processing is possible, including reverse confirmation.

System works as designed.

Production Confirmation, Reverse Confirmation, Production Lot, Disabled, Greyed Out , KBA , AP-PE-LOT , Production Lot , Problem