Confused with rake error in Rails 3

Question

Noob trying to decipher what to do with the following error:

rake aborted! You have already activated rake 0.9.1, but your Gemfile requires rake 0.8.7. Consider usin

Answer 1

Try running bundle exec rake instead of just rake. This error will occur when you have a newer version of rake installed on your computer than the one specified in your Gemfile (or Gemfile.lock)