[Rails] Re: rake aborted

I am using Rails 3.1.0, Gem 1.8.24, and Ruby 1.9.3p194. I've edited the gem file and changed versions of things to try to fix this and other problems that I have. I think that in order to fix certain problems, I might end up breaking something else. I tried "gem update --system" and still had the s

[Rails] Re: rake aborted

I tried running bundle update but then I still got the same error on rake db:migrate. ---Original message--- > -- > How do I get rake to work? I would try running bundle update to make sure you have all of your gems properly installed. This sounds like a version mis-match between various Rails m

[Rails] rake aborted

I've been trying to follow Ruby on Rails 3 Tutorial by Michael Hartl but had a problem on page 199 when it asks me to enter "rake db:migrate". I got the following results: -- rake aborted! undefined method `mass_assignment_sanitizer=' for ActiveRecord::Base:Class Tasks: TOP => db:migrate => enviro