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Editorial Team
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Asked: 2026-06-10T10:31:21+00:00

I’ve seen some issues posted like this but any answer solve my problem :(

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I’ve seen some issues posted like this but any answer solve my problem 🙁

I’m trying to deploy my application to heroku, I have used devise for a simple authentication, al the deploy seems to rum ok but when I browse to my app I see the error:

An error occurred in the application and your page could not be served. Please try again in a few moments.
If you are the application owner, check your logs for details.

I’ve tryed to run heroku rake db:migrate but I’m still getting the same error.

Thanks in advance,
My log is:

2012-08-27T21:23:17+00:00 app[web.1]: => Booting WEBrick 2012-08-27T21:23:17+00:00 app[web.1]: => Rails 3.2.8 application starting in pro duction on http://0.0.0.0:17074 2012-08-27T21:23:17+00:00 app[web.1]: => Call with -d to detach 2012-08-27T21:23:17+00:00 app[web.1]: => Ctrl-C to shutdown server 2012-08-27T21:23:17+00:00 app[web.1]: Connecting to database specified by DATABA SE_URL 2012-08-27T21:23:21+00:00 app[web.1]: Exiting 2012-08-27T21:23:21+00:00 app[web.1]: /app/app/controllers/admin_user/omniauth_c allbacks_controller.rb:1:in `<top (required)>': uninitialized constant AdminUser s (NameError)
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1 Answer

  1. Editorial Team

    In omniauth_callbacks_controller.rb you should change all instances of the constant “AdminUsers” to “AdminUser” (no ‘s’ at the end).

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