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The answer to that is obvious: that's the file that's "broken".

You can either search through your sources for that word, or more likely, you should be getting an error like "can't include...

Well, look at the .h file that pops up. Does it look ill-formed? I've found this file which appears to be what you're looking at. If so, that means that packet_info isn't recognized as a type. I...