NullPointer Exception on the Shipment Lines page

Summary:

I receive this error message once every couple of days when trying to split a line. When these error happens, I have to cancel out, go back to the inventory management screen then go back to manage shipment lines screen adding additional time to generate pick slips which is already a very tedious process

Content (please ensure you mask any confidential information):

I receive this error message once every couple days when trying to split a line. When these error happens I have to cancel out, go back to the inventory management screen then go back to manage shipment lines screen adding additional time to generate pick slips which is already a very tedious process