20,000 lbs Overweighht
This probably has nothing to do with Shares, but an input error.
Yet, IT could prevent such issues by red flagging if there are 20 pax total on the plane, which this would probably be if coach was empty but you have 200 bags or proportionately more than the one bag per pax average or whatever it normally is. In this case, it might have been 10 bags per pax, which should raise a red flag and require another employee to investigate before a flight can be released.
In addition, common sense would have made me go back and look to verify, if I was sent paperwork showing 0 pax in E.