Hi Karen,
Tech Support won't be available until Tuesday. We close Softrak for Easter Friday and Monday because there is such a long stretch from New Year's to Easter.
Although the compatibility chart says that this compbination should work, I am able to recreate the problem you are seeing.
I'd restore the data from before the installation of Adagio Invoies V8.1B and re-install V8.1A of Adagio Invoices. Hopefulle we'll have an explanation of hat needs fixing by Tuesday afternoon.
Sorry for the inconvenience.
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Andrew Bates