This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
The problem is that u need to specify an input attribute in your action mapping. This attribute is used to decide where to forward control to if there is a validation error. Probably some validations that u are doing are failing, and the absence of the input attribute is creating the problem.