NullInjectorError in combination with standAlone is very unclear? about angular HOT 3 OPEN

Hi, the error log is from a prod build. You should run you app in dev mode for more informations on the issue.

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I just double-checked, I'm confident this is the build configuration:

and also confident it doesn't enable prod mode:

and it says so even in devtools angular is in development mode 3 lines above:

that should be dev mode then right? I'm missing something obvious?

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All Angular symbols are not minified, it's just the _a identifier that appears to be minified, so this is indeed a development build.

You may be able to figure out what _a is by clicking on the fac.js:1:1 link at the bottom of the stack trace in the error. Alternatively, setting a debugger statement at the place where the error is thrown (click the core.mjs:1654:27 link at the top of the stack trace) and reloading the page would allow you to inspect the stack trace interactively.

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