Why I am getting Could not find multi_json-1.3.1 in any of the sources?

Question

I have a simple Rails application I want to deploy to Heroku. When I run the below command

git push heroku master

The below error message is di

Answer 1

If you are using Capistrano to do your deployments and you mysteriously get "Could not find multi_json-1.7.2 in any of the sources", ensure you have require "bundler/capistrano" at the top of your config/deploy.rb.