Backorder at Pick Slip

Hello ,

I am working on JDE 9.1 , facing an issue while running Pick slip . At inventory i have 54EA as "On Hand" and "Available" . Now pick slip run for 3 order togther which is having total qty as "56 EA" . Since only 54 EA is available so extra 2 should go to backorder status but it is not happening .System is working as below in this scenario -

1) Order status moved to 540 - 560

2) Line splitted and Lot / location has been assigned for all the lines(even for extra 2 EA qty it lot/location should be BLANK)

3) Only 54EA is showing in committed while at order level system is showing 56 EA onto the order