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Terminal Window

I am getting a compiler error I am not familiar with when trying to make my program. If anyone could be of any help I would greatly appreciate it.

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    Please read this, and especially note the part about *not* posting images: https://stackoverflow.com/help/how-to-ask – jjramsey Jul 08 '21 at 16:38
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    Please don't post pictures of errors. It takes more effort to upload and link a picture than it does to copy and paste it into a markdown block in your question, which allows others to copy and paste the text, search the text, and read the text as needed – Human-Compiler Jul 08 '21 at 16:38
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    Also the straight-forward question: Did you **define** `BrowserHistoryList::navigateTo` anywhere? That'd be a good place to start. You haven't provided enough information for anyone to know whether this is an error from incomplete code, or an error from an inadequate series of build commands. – Human-Compiler Jul 08 '21 at 16:39
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    LinkedList is a template class, right? If so, it needs to be [defined in a header](https://stackoverflow.com/a/115735/1424875), not in its own compilation unit. – nanofarad Jul 08 '21 at 16:45
  • https://meta.stackoverflow.com/a/285557/1387438 – Marek R Jul 08 '21 at 16:46
  • `LinkedList::length` is not implemented or not placed in header as most templates should. – Marek R Jul 08 '21 at 16:48

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