No source for ruby-2.0.0-p451 provided with debugger-ruby_core_source gem

Question

I\'ve seen very similar problems in other SO questions (e.g. No source for ruby-1.9.2-p321 provided with debugger-ruby_core_source gem) as well as through a Google search, but n

Answer 1

Try install debugger without specifying a version and then run bundle install again.

I had the same error, and it just worked, don't ask me why:

$ gem install debugger
$ bundle install