If you can not find the Product Pack, it may be that it has been assigned to another UMS that was defined as the default UMS resp. default UMS ID. (If a default UMS ID has been defined in your ILP, a new WE-E Product Pack will be assigned to that UMS automatically.)
To correct this, go to the default UMS ID, which is marked with a , click , unassign the Product Pack from this UMS and then use on the relevant UMS ID to assign it to the proper UMS.