Version 8.4 Error "Fixed column count must be less than column length"

We saw this error upon going into Merchandise>Inventory on one WS. After checking all the variable statements and shortcut paths, we copied the LAYOUTS folder from another WS# folder to the one having trouble. That fixed the problem. Layouts have a tendency to go corrupt from time to time, so it's a great idea for IT staff to have good LAYOUTS folders available in case situations like this come up.