# Problem using YAML

**URL:** <https://rubytalk.org/t/problem-using-yaml/11604>\
**Category:** ruby-talk\
**Created:** [18 May 2004 17:24 UTC](https://rubytalk.org/t/problem-using-yaml/11604 "2004-05-18T17:24:19Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Carol\_Almquist](https://avatars.discourse-cdn.com/v4/letter/c/c0e974/32.png) [@Carol\_Almquist](https://rubytalk.org/u/Carol_Almquist)\
**Post date:** [18 May 2004 17:24 UTC](https://rubytalk.org/t/problem-using-yaml/11604/1 "2004-05-18T17:24:19Z")

</div>

> > From: ts [[mailto:decoux@moulon.inra.fr](mailto:decoux@moulon.inra.fr)]

> > > ruby 1.8.1 (2003-12-25) [i686-linux]
> > 
> > Try a newer version for ruby

I tried the stable-snapshot and had the same result.

/usr/lib/ruby/1.8/yaml.rb:30: [BUG] rb\_gc\_mark(): unknown data type  
0x0(0x40183fa8) non object  
ruby 1.8.2 (2004-05-17) [i686-linux]

Aborted