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If you click the link now, you'll get an error:

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Tapestry is telling us that we need to provide some kind of event handler for that event. What does that look like?

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So ... let's click the link and see what we get:

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Ah! We didn't create a Guess page template. Tapestry was really expecting us to create one, so we better do so.

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Hit the browser's back button, then click the "start guessing" link again. We're getting closer:

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If you scroll down, you'll see the line of the Guess.tml template that has the error. We have a field named target, but it is private and there's no corresponding property, so Tapestry was unable to access it.

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