[chef] Chef-solo - undefined node?

[Mark J Bradakis < >]

I'm fairly new to chef and chef solo.  Trying to run a recipe I get an 
error like:

[Sun, 28 Apr 2013 19:33:57 -0700] INFO: Starting Chef Solo Run
/usr/lib/ruby/1.8/chef/node/attribute.rb:387:in `method_missing': 
Attribute node is not defined! (ArgumentError)


I assumed that chef::node was defined with a line in /etc/chef/solo.rb - 
is this not the correct place
to do so?

mjb.