gem install error - rvm

gistfile1.txt

gem install rails -v 2.3.8
/home/yonahw/.rvm/rubies/ruby-1.8.7-p302/bin/gem:13:in `require': no such file to load -- rubygems (LoadError)
	from /home/yonahw/.rvm/rubies/ruby-1.8.7-p302/bin/gem:13


rvm info

ruby-1.8.7-p302:

  system:
    uname:       "Linux yonahw-work 2.6.35-22-generic #34-Ubuntu SMP Sun Oct 10 09:26:05 UTC 2010 x86_64 GNU/Linux"
    bash:        "/bin/bash => GNU bash, version 4.1.5(1)-release (x86_64-pc-linux-gnu)"
    zsh:         " => not installed"

  rvm:
    version:      "rvm 1.0.14 by Wayne E. Seguin ([email protected]) [http://rvm.beginrescueend.com/]"

  ruby:
    interpreter:  "ruby"
    version:      "1.8.7"
    date:         "2010-08-16"
    platform:     "x86_64-linux"
    patchlevel:   "2010-08-16 patchlevel 302"
    full_version: "ruby 1.8.7 (2010-08-16 patchlevel 302) [x86_64-linux]"

  homes:
    gem:          "/home/yonahw/.rvm/gems/ruby-1.8.7-p302"
    ruby:         "/home/yonahw/.rvm/rubies/ruby-1.8.7-p302"

  binaries:
    ruby:         "/home/yonahw/.rvm/rubies/ruby-1.8.7-p302/bin/ruby"
    irb:          "/home/yonahw/.rvm/rubies/ruby-1.8.7-p302/bin/irb"
    gem:          "/home/yonahw/.rvm/rubies/ruby-1.8.7-p302/bin/gem"
    rake:         ""

  environment:
    PATH:         "/home/yonahw/.rvm/gems/ruby-1.8.7-p302/bin:/home/yonahw/.rvm/gems/ruby-1.8.7-p302@global/bin:/home/yonahw/.rvm/rubies/ruby-1.8.7-p302/bin:/home/yonahw/.rvm/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"
    GEM_HOME:     "/home/yonahw/.rvm/gems/ruby-1.8.7-p302"
    GEM_PATH:     "/home/yonahw/.rvm/gems/ruby-1.8.7-p302:/home/yonahw/.rvm/gems/ruby-1.8.7-p302@global"
    BUNDLE_PATH:  "/home/yonahw/.rvm/gems/ruby-1.8.7-p302"
    MY_RUBY_HOME: "/home/yonahw/.rvm/rubies/ruby-1.8.7-p302"
    IRBRC:        "/home/yonahw/.rvm/rubies/ruby-1.8.7-p302/.irbrc"
    RUBYOPT:      ""
    gemset:       ""