when i execut gem update and execut Pod install . I get an error .

[Arvin-J]

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Error loading the plugin `cocoapods-keys-1.7.0`.

LoadError - cannot load such file -- /Library/Ruby/Gems/2.0.0/gems/cocoapods-keys-1.7.0/lib/cocoapods_plugin.rb
/Library/Ruby/Site/2.0.0/rubygems/core_ext/kernel_require.rb:120:in `require'
/Library/Ruby/Site/2.0.0/rubygems/core_ext/kernel_require.rb:120:in `require'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command/plugin_manager.rb:95:in `block in safe_activate_and_require'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command/plugin_manager.rb:95:in `each'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command/plugin_manager.rb:95:in `safe_activate_and_require'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command/plugin_manager.rb:31:in `block in load_plugins'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command/plugin_manager.rb:30:in `map'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command/plugin_manager.rb:30:in `load_plugins'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command.rb:326:in `block in run'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command.rb:325:in `each'
/Library/Ruby/Gems/2.0.0/gems/claide-1.0.0/lib/claide/command.rb:325:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/lib/cocoapods/command.rb:50:in `run'
/Library/Ruby/Gems/2.0.0/gems/cocoapods-1.0.1/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:22:in `load'
/usr/local/bin/pod:22:in `<main>'
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