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I get the following message when starting Emacs:

Warning (emacs): Unable to activate package `elpy'.
Required package `highlight-indentation-0.5.0' is unavailable
Warning (emacs): Unable to activate package `elpy'.
Required package `highlight-indentation-0.5.0' is unavailable
Warning (emacs): Unable to activate package `elpy'.
Required package `highlight-indentation-0.5.0' is unavailable

I then found this Q&A: Find elisp origin of warning

So I followed the accepted answer and added the following to the top of my .emacs file:

(setq debug-on-message "Unable to activate package `elpy'.")

and then restarted Emacs, but nothing happened. Was I supposed to fall into the debugger?

How can I find what specific line in my .emacs file trigger the warning?

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  • 1
    This is happening during package activation, so it's not your init file's fault. Just install the missing package.
    – Malabarba
    Commented Jan 11, 2015 at 23:26
  • Thanks @Malarba. I have uninstalled these packages precisely because they are giving me problems, so what I want to do is find out what is loading them.
    – Amelio Vazquez-Reina
    Commented Jan 12, 2015 at 2:20
  • Elpy is loading it. As explained in the warning and in the (elpy) issue you linked. ;-)
    – Malabarba
    Commented Jan 12, 2015 at 2:55

1 Answer 1

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This is happening during package activation, so it's not your init file's fault.

What's happening

The warning is telling you everything you need to know. elpy needs to load highlight-indentation, but the package's not installed.

What to do

Either

  • install the missing package
  • or delete elpy.
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1
  • Is it possible to check if the specific package failed to be activated then install it automatically so I don't need to install it manually?
    – CodyChan
    Commented May 4, 2018 at 7:53

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