Clean install OSX 10.9.1 returns “undefined method `path2class'” when trying to install gems

Question

I just installed a clean Mavericks installation with Homebrew and RVM. Both brew doctor and rvm requirements return \"all good\", however, when I run <

Answer 1

This is not a particularly insightful answer, but in my case the problem went away by switching to ruby-2.1.2 (p95, incidentally) via rvm.

I was going to upgrade anyway...