class ActiveRecord::EnvironmentMismatchError

# File activerecord/lib/active_record/migration.rb, line 220
def initialize(current: nil, stored: nil)
  msg = +"You are attempting to modify a database that was last run in `#{ stored }` environment.\n"
  msg << "You are running in `#{ current }` environment. "
  msg << "If you are sure you want to continue, first set the environment using:\n\n"
  msg << "        bin/rails db:environment:set"
  if defined?(Rails.env)
    super("#{msg} RAILS_ENV=#{::Rails.env}\n\n")
  else
    super("#{msg}\n\n")
  end
end