I get this error message, trying out calculator.rb.

/cygdrive/c/RUBY1/lib/ruby/site_ruby/rockit/rockit.rb:24:in
`generate_parser': undefined local variable or method
`rockit_grammars_parser' for Parse:Module(NameError)

    from /cygdrive/c/RUBY1/lib/ruby/site_ruby/rockit/rockit.rb:24:in
`generate_parser'
    from
C:\ruby1\rockit\rockit-0-3-8\examples\calculator\calculator.rb:36:in
`calculator_parser'
    from C:\ruby1\rockit\rockit-0-3-8\examples\calculator\calculator.rb:52
    from C:\ruby1\rockit\rockit-0-3-8\examples\calculator\calculator.rb:0

Thanks for help!

/H