>>You can set that field property(BlankIsNull)
>>in TIB_Query, via the query editor.

Snip

> As you can see there are no much differences... <g> And, NOT. There is
> no default value for field DESCRIPTION.

Just to prove a point, what happens if you remove the
IB_Edit that is attached to DESCRIPTION, so that it is only
seeing stuff from the query itself?

I am sure something is not quite right, but I am getting the
correct error from a older IB_Grid setup. I think we need a
little insight from JAson really <g>

--
Lester Caine
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L.S.Caine Electronic Services