NoMethodError - undefined method `timestamp_sort_order' for Paper trail issue after upgrading Rails 4.2

Question

I used paper_trail to tracking transnational changes when I migrated rails 3.2 to rails 4.2, have got below issue:

NoMethodError - undefined method `t

Answer 1

In Rails 6, the preferred method is now to create a model, do not put model code in the initializer. This is what I'm using...

module PaperTrail
  class Version < ::ActiveRecord::Base
    include PaperTrail::VersionConcern

    belongs_to :user, foreign_key: :whodunnit
  end
end