Your site needs the bundle install From shell, you will need to run the bundle command: ( Command: bundle install ) You will get asked for your root password. Simply enter your password. The password request can be disabled, but this take a custom configuration. If you would like to bypass the password, you can ..
From shell, You will need to run the following to as your user correct the issue: gem uninstall mysql2 To uninstall the problem Gem, then: bundle install (will automatically install needed Gems) (if that does not work) you can run the gem install directly gem install mysql2 Refresh your page and you should be working ..