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how to install a specific version of rubygems

Posted on 2011-09-04
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Last Modified: 2012-05-12
rails 2.3.5 app in dev
error when run server:
/Users/kevin/.rvm/gems/ruby-1.8.7-p352/gems/rails-2.3.5/lib/rails/gem_dependency.rb:268:in `==': undefined method `name' for "actionmailer":String (NoMethodError)

ruby 1.8.7
gems 1.8.10

think i need to install an earlier version. but how?
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Question by:depassion
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JESii earned 500 total points
ID: 36483944
Try
   gem install -v '<version>'
replacing <version> with the right version string, e.g., 1.8.1 or whatever you want

You should be able to type
   gem --help
to get a full list of commands / options
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