When attempting the command:
heroku keys:add
I get the following error (I put just the first line of the error):
/home/john/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': no such file to load -- readline (LoadError)
Any ideas on how to solve this?
Thanks,
John