Phusion Passenger Error: You have activated rack 1.2.1, but your Gemfile requires rack 1.2.2

Question

I\'m trying to run a Ruby on Rails app on a Dreamhost shared server. All is well so far except one weird bug I have not been able to unravel.

Sometimes when I visit

Answer 1

try to restart your server after edit in your Gemfile and put this: gem 'rack', '1.2.1'