I generated secrets.yml.enc & secrets.yml.key, after secrets:edit and deploy by capistrano, I get above error. I don't know why. Production mode locally works fine, but on real production wrong. /home/crazypiter1990/domains/crazypiter1990.usermd.net/shared/bundle/ruby/2.2.0/gems/activesupport-5.1.4/lib/active_support/message_encryptor.rb:133:in rescue in _decrypt': ActiveSupport::MessageEncryptor: