IronRuby + Scaffold - Fails because of Action Mailer?

Aim: Use IronRubyOnRails with SQL Server to generate a table for me.
After running scaffold, I received the following error message:

What am I missing?

Thanks

Ben

Error:

pretty:IronRubyOnRails Ben$ ir script/generate scaffold post
title:string body:text published:boolean
/Users/Ben/Library/ironruby-0.9.3/lib/ironruby/gems/1.8/gems/actionmailer-2.3.5/lib/action_mailer/quoting.rb:22:
parsing “[\000-\011\013\014\016-\037\177-\377]” - [55-51] range in
reverse order.
Parameter name: [\000-\011\013\014\016-\037\177-\377] (SyntaxError)
from
/Users/Ben/Library/ironruby-0.9.3/lib/ironruby/gems/1.8/gems/actionmailer-2.3.5/lib/action_mailer/base.rb:248
from
/Users/Ben/Library/ironruby-0.9.3/lib/ironruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:510:in
initialize_framework_logging' from :0:inconst_get’
from
/Users/Ben/Library/ironruby-0.9.3/lib/ironruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:509:in
initialize_framework_logging' from /Users/Ben/Library/ironruby-0.9.3/lib/ironruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:147:inprocess’
from
/Users/Ben/Library/ironruby-0.9.3/lib/ironruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in
run' from :0:ineach’
from mscorlib:0:in CallSite.Target' from /Users/Ben/SourceControl/IronRubyOnRails/config/environment.rb:9 from /Users/Ben/Library/ironruby-0.9.3/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire’
from :0:in __send__' from /Users/Ben/Library/ironruby-0.9.3/lib/ironruby/gems/1.8/gems/rails-2.3.5/lib/commands/generate.rb:1 from /Users/Ben/Library/ironruby-0.9.3/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire’
from script/generate:3
from :0:in require' from :0:inrequire’