FreeBSD Port: gnome-art-0.2

[Osmany Guirola Cruz]

Hi 
  I am trying to use gnome-art aplications
but always die with this error

/usr/local/lib/ruby/1.8/rexml/source.rb:127:in `initialize': undefined
method `[]' for nil:NilClass (NoMethodError)
        from /usr/local/lib/ruby/1.8/rexml/parsers/baseparser.rb:126:in
`new'
        from /usr/local/lib/ruby/1.8/rexml/parsers/baseparser.rb:126:in
`stream='
        from /usr/local/lib/ruby/1.8/rexml/parsers/baseparser.rb:100:in
`initialize'
        from /usr/local/lib/ruby/1.8/rexml/parsers/treeparser.rb:8:in
`new'
        from /usr/local/lib/ruby/1.8/rexml/parsers/treeparser.rb:8:in
`initialize'
        from /usr/local/lib/ruby/1.8/rexml/document.rb:176:in `new'
        from /usr/local/lib/ruby/1.8/rexml/document.rb:176:in `build'
        from /usr/local/lib/ruby/1.8/rexml/document.rb:45:in
`initialize'
         ... 10 levels...
        from /usr/local/lib/ruby/site_ruby/1.8/libglade2.rb:44:in `call'

from /usr/local/lib/ruby/site_ruby/1.8/gnome-art/gnome_art.rb:132:in
`main'

from /usr/local/lib/ruby/site_ruby/1.8/gnome-art/gnome_art.rb:132:in
`main'
        from /usr/local/bin/gnome-art:25

What can i do? 
thanks

Osmany