# Mongrel gem install error .. how to

**URL:** <https://www.ruby-forum.com/t/mongrel-gem-install-error-how-to/87844>\
**Category:** Rails\
**Created:** [March 6, 2007, 11:31am UTC](https://www.ruby-forum.com/t/mongrel-gem-install-error-how-to/87844 "2007-03-06T11:31:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![alberto](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/ea5d25/32.png) [@alberto](https://www.ruby-forum.com/u/alberto)\
**Post date:** [March 6, 2007, 11:31am UTC](https://www.ruby-forum.com/t/mongrel-gem-install-error-how-to/87844/1 "2007-03-06T11:31:28Z")

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I am trying to set-up mongrel in osx but…

london:~ ab$ sudo gem install mongrel  
Password:  
Need to update 8 gems from [http://gems.rubyforge.org](http://gems.rubyforge.org)  
…  
complete  
Select which gem to install for your platform (powerpc-darwin8.8.0)

1. mongrel 1.0.1 (mswin32)
2. mongrel 1.0.1 (ruby)
3. mongrel 1.0 (mswin32)
4. mongrel 1.0 (ruby)
5. Skip this gem
6. Cancel installation

> 2  
> Install required dependency gem\_plugin? [Yn] Y  
> ERROR: While executing gem … (TypeError)  
> can’t convert Hash into String

What am i doing wrong? All gems are at their latest version and in mint  
condition…

Any help…