Is TIX_DISP opened in the form's DE? Does the form use private or default datasession?

>I created a grid on a form using the grid builder. It is attached to a table called tix_disp with one record in it. When I try to run the thing, I get the following error message:
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> ERROR: 2005 Error loading file - record number 382. Grdbobase1 .ControlSource : TIX_DISP is not an object
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>Huh? I have double checked the properties for the grid, column, header of the grid itself and everything seems ok. what am I missing, and why is this error happening when I have used the builder?
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>Any insights would be appreciated.