At 09:09 AM 1/04/2011, you wrote:

>Ron schrieb am 21.03.2011 um 20:58 (-0000):
> A program that was previously working under v1.5, started erroring
> after I upgraded to v2.1x.
>
> I'm explicitly starting a transaction, but when I attempt to open a
> dataset (using IB Objects), I get the error: "invalid transaction
> handle (expecting explicit transaction start)".
>
> What might be causing this?

Old IBO version? You need v.4.8.something with Fb 2.1.

./hb