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Home/ Questions/Q 8162429
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Editorial Team
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Editorial Team
Asked: June 6, 20262026-06-06T18:42:23+00:00 2026-06-06T18:42:23+00:00

I have in the directory /config/initializers/constants_data.rb following line: ADM = User.find_by_name(‘admin’).id This is working

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I have in the directory /config/initializers/constants_data.rb following line:

ADM = User.find_by_name('admin').id

This is working me on localhost, but when I deploy the app to Heroku, I get the Application Error Error H10 (App crashed).

How can I avoid that?

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  1. Editorial Team
    Editorial Team
    2026-06-06T18:42:24+00:00Added an answer on June 6, 2026 at 6:42 pm

    It’s likely your admin user doesn’t exist.
    In this case, you should always provide a fallback.

    ADM = User.find_or_create_by_name('admin').id
    

    instead of

    ADM = User.find_by_name('admin').id
    
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