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Ruby ActiveRecord Basics AR Extensions Model Versioning

rake aborted! LoadError: cannot load such file -- #

Hello, I cannot execute the migration generated by

rails generate paper_trail:install

the migration file generated is this one "very different than the Catlin's one"

class CreateVersions < ActiveRecord::Migration
  def change
    create_table :versions do |t|
      t.string   :item_type, :null => false
      t.integer  :item_id,   :null => false
      t.string   :event,     :null => false
      t.string   :whodunnit
      t.text     :object
      t.datetime :created_at
    end
    add_index :versions, [:item_type, :item_id]
  end
end

when I run

rake db:migrate

I get the following error

rake aborted!
LoadError: cannot load such file --   #
/home/sebastian/ruby_projects/examples/biller/config/application.rb:3:in `require'
/home/sebastian/ruby_projects/examples/biller/config/application.rb:3:in `<top (required)>'
/home/sebastian/ruby_projects/examples/biller/Rakefile:4:in `<top (required)>'
(See full trace by running task with --trace)
Andrew Olson
Andrew Olson
4,028 Points

Hi Sebastian!

What are you requiring on line 3 of config/application.rb?

Can you try running rake db:migrate --trace and see if that provides any more info?

hi thanks for your comment, well I do not have idea what happened but everything seems to be solved, I just restar my computer and everything solved

Andrew Olson
Andrew Olson
4,028 Points

That's great to hear.

Happy coding!