ExecJS::RuntimeError on Windows trying to follow rubytutorial

Question

UPDATE: Colin\'s suggestion of removing the line //= require_tree . has fixed the issue.

I have wasted over 2 days trying to follow every suggestion

Answer 1

I used the solution number 2 because previously i had have this mistake, but in this ocation didn't work, then I added the

gem 'coffee-script-source', '1.8.0'

and run

bundle install

and my problem was fixed