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Editorial Team
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Asked: 2026-06-08T21:37:18+00:00

I can`t figure out why on heroku server my app crashed. On local server

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I can`t figure out why on heroku server my app crashed. On local server all seems works.

2012-08-01T17:14:50+00:00 app[web.1]: NameError (uninitialized constant Barby::Code128A):
2012-08-01T17:14:50+00:00 app[web.1]:   app/models/order.rb:102:in `generate_shipment'
2012-08-01T17:14:50+00:00 app[web.1]:   app/models/order.rb:60:in `generate_items'
2012-08-01T17:14:50+00:00 app[web.1]:   app/controllers/orders_controller.rb:17:in `create'

I tried to add Procfile, but it not helps me either.
https://devcenter.heroku.com/articles/procfile/#deploying-to-heroku

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1 Answer

  1. Editorial Team

    You probably need to require the code128a generator seperately before using. Just add the following line to the file where you are using Barby::Code128A

    require 'barby/barcode/code_128'
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