Registered Warehouse Activities
In order to register the picking, the warehouse activity must be registered first.

The registry is done under the Functions, by the Register Whse Activities. The warehouse user ID appears also on these lines, the field is not editable.
If the quantity to handle is less than the quantity to be shipped, the remaining quantity to be handled can be assigned to another warehouse user.
The assigned warehouse user ID is saved on the standard registered warehouse activities line.