Forum: Ruby on Rails Install problem with Synology NAS

Hello,
i tried to setup redmine on my Synology Diskstation according to that 
guide
http://wiki.joachimschuster.de/index.php/Install_R...

At

> in folder config run following command:
>
> RAILS_ENV=production rake initializers/session_store.rb
>
>

i get the folowing error

RAILS_ENV=production rake initializers/session_store.rb
> (in /volume1/public/redmine-0.9.4)
> /opt/bin/ruby: relocation error: 
/opt/lib/ruby/1.9.1/powerpc-linux-spe/bigdecimal.so: symbol __eqdf2, version 
GLIB2_2.3.3 not defines in file libc.so.6 with link time reference
>
>
I have no idea what to do to fix that issue. I would be happy if anyone 
knows help.
greets