I was having trouble in the Sage 100 Contractor Change Order module (6-4-1). What I was typing in my description field was not automatically populating in the grid down below. A simple fix to make that appear automatically once you click in the grid is the following:
Must be logged in with Administrator rights
Click on the description field in the grid and press F7 on your keyboard. This will open up the field properties window. In the default entry field, type in the following: prmchg.dscrpt.