Click box that keeps working on the same slide

How can a clickable area be created that continues to do the same thing, regardless of how many times it is clicked?

The application is a schematic on which the learner is supposed to click the correct components. When they click anywhere other than a correct component (the clickable areas cover all of the schematic other than the correct components) an error message should pop up.

This works fine when the first click triggers an error, but subsequent clicks in the "wrong" areas of the slide do nothing. How can this be set up so that the error message pops up every time the clickable area is clicked?