Devise authenticatable not found

class DeviseCreateUsers < ActiveRecord::Migration def change create_table(:users) do |t| ## Database authenticatable t.string :email, :null => false, :default => "" t.string :encrypted_password, :null => false, :default => ""

   ## Recoverable
   t.string   :reset_password_token
   t.datetime :reset_password_sent_at

   ## Rememberable
   t.datetime :remember_created_at

   ## Trackable
   t.integer  :sign_in_count, :default => 0
   t.datetime :current_sign_in_at
   t.datetime :last_sign_in_at
   t.string   :current_sign_in_ip
   t.string   :last_sign_in_ip

   ## Encryptable
   t.string :password_salt

   ## Confirmable
   t.string   :confirmation_token
   t.datetime :confirmed_at
   t.datetime :confirmation_sent_at
   t.string   :unconfirmed_email # Only if using reconfirmable

   ## Lockable
   t.integer  :failed_attempts, :default => 0 # Only if lock strategy is :failed_attempts
   t.string   :unlock_token # Only if unlock strategy is :email or :both
   t.datetime :locked_at

   # Token authenticatable
   t.string :authentication_token

   ## Invitable
   # t.string :invitation_token

   t.timestamps    end

add_index :users, :email,                :unique => true
add_index :users, :reset_password_token, :unique => true
add_index :users, :confirmation_token,   :unique => true
add_index :users, :unlock_token,         :unique => true
# add_index :users, :authentication_token, :unique => true

end

end