I have never seen that error before. Not sure if you can even access the recipe but if you can would you export it to a BSMX file and send it to me at my beersmith at beersmith.com address?
Also if you can email me and let me know your account name on BeerSmithRecipes.com I might be able to look at the database and see what is wrong. It may be a corrupt entry of some kind.
Brad