just a shot in the dark Gerard,

you can monitor in debugging what datasession it is in as the prg is fired. It may be switching datasessions to #1 or something like that if you have more than one datasession up. The prg may not know what datasession it's supposed to find that table in. Maybe you might have to pass a parameter to it. The form has DataSessionID property.

Also, you know with private data sessions you lose a lot of settings every time they get initiated in a form. You have to fire a bunch of code like SET ESC OFF and such each time they come up.

Wally