# Error installing gem

**URL:** <https://www.ruby-forum.com/t/error-installing-gem/151788>\
**Category:** Rails\
**Created:** [October 25, 2008, 6:38pm UTC](https://www.ruby-forum.com/t/error-installing-gem/151788 "2008-10-25T18:38:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![raju\_k](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/a9adbd/32.png) [@raju\_k](https://www.ruby-forum.com/u/raju_k)\
**Post date:** [October 25, 2008, 6:38pm UTC](https://www.ruby-forum.com/t/error-installing-gem/151788/1 "2008-10-25T18:38:39Z")

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Hi,  
I am getting the following error while installing the gems…  
/usr/local/lib/site\_ruby/1.8/rubygems.rb:272:in `initialize’: wrong  
number of arguments (1 for 0) (ArgumentError)

root@raju-laptop:/home/raju/workspace# sudo gem update --system  
/usr/local/lib/site\_ruby/1.8/rubygems.rb:272:in `initialize': wrong number of arguments (1 for 0) (ArgumentError) from /usr/local/lib/site_ruby/1.8/rubygems.rb:272:in`new’  
from /usr/local/lib/site\_ruby/1.8/rubygems.rb:272:in  
`configuration' from /usr/local/lib/site_ruby/1.8/rubygems.rb:512:in`path’  
from /usr/local/lib/site\_ruby/1.8/rubygems/source\_index.rb:66:in  
`installed_spec_directories' from /usr/local/lib/site_ruby/1.8/rubygems/source_index.rb:56:in`from\_installed\_gems’  
from /usr/local/lib/site\_ruby/1.8/rubygems.rb:726:in  
`source_index' from /usr/local/lib/site_ruby/1.8/rubygems/gem_path_searcher.rb:86:in`init\_gemspecs’  
from  
/usr/local/lib/site\_ruby/1.8/rubygems/gem\_path\_searcher.rb:21:in  
`initialize' ... 6 levels... from /usr/local/lib/site_ruby/1.8/rubygems/gem_runner.rb:8:in`require’  
from /usr/local/lib/site\_ruby/1.8/rubygems/gem\_runner.rb:8  
from /usr/bin/gem:8:in `require’  
from /usr/bin/gem:8

thanks & regards  
Raju K ARalikatti