Setting up obs server instance

Hi guys,

i’m following this guide to set my obs server making a checkout from github.
When I run


bundle install

i get the following error :


Traceback (most recent call last):
        1: from <internal:gem_prelude>:1:in `&lt;internal:gem_prelude&gt;'
&lt;internal:gem_prelude&gt;:1:in `require': cannot load such file -- rubygems.rb (LoadError)

What am i wronging?

Regards