For a product ABC you have maintained Serial Number Profile as Optional Serial Number Assignment in product master.
In the pick task NNN you notice that Serial Numbers tab is missing.
Reproducing the Issue
1. Go to Outbound Logistics workcenter and Task Control view.
2. Select Pick Task NNN and Confirm.
In the following screen you notice that Serial Numbers tab is missing in the Details section.
Actual Quantity in the pick task NNN is pre filled for the Open Quantity therefore system assumes that there will be no more quantity to be entered and
therefore Serial Numbers tab is not visible.
Remove the pre filled Actual Quantity and refresh the pick task NNN and the Serial Numbers tab will be visible.
KBA , AP-ODP-ODR , Outbound Delivery Request , Product Enhancement