NullPointerException: page is null

We looked everywhere. This route never compiled — it may have moved, been renamed, or you free-typed a URL like it's 1999.

stacktips — zsh

$ curl -I https://stacktips.com/_not-found
HTTP/1.1 404 Not Found

Exception in thread "main" java.lang.PageNotFoundException
    at StackTips.Router.resolve(Router.java:404)
    at StackTips.App.render(App.java:1)
Caused by: this tutorial doesn't exist (yet).
$ ▌

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