The system is doing exactly what it was designed to do: it lets people enter the details for depots, descriptions, and addresses. The trouble is, even though there are only a few depots, the Entry text fields lets the user type pretty much anything. There are no controls on what gets entered into the GUI.
It wasn't obvious whether the delivery was intended for the Head-Ex depot in Cambridge, MA, or the Head-Ex depot in Cambridge, England. You need some way to prevent users from entering ambiguous data in the depot field.
Think about the GUIs you've used in the past. How could you restrict the values that someone could enter into a GUI?
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