Generally speaking, vague questions can at best garner vague answers. Your current question is virtually unanswerable as it stands for at least three reasons.

• "Largely straight out of the cookbook" implies you've made changes. We need to see the actual running code to diagnose a problem.
• Even if you used an example directly from the cookbook, the page you've cited contains three of them. If you're using a particular piece of code, tell us which so we can investigate.
• It's anyone's guess what code is triggering the error. You didn't mention a file and line number.

If you come over to irc.perl.org channel #poe while we're awake, we can work through this with less latency.

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