Rake problem

hi im new in ruby and i cant seems to run the rake with my mysql
database i dont know whats the problem i tried searching in google but
no luck
im having this error :[

ruby 1.9.2p290 (2011-07-09) [i386-mingw32]

D:\Documents and Settings\LED>cd “My Documents\NetBeansProjects\hhtp”

D:\Documents and Settings\LED\My Documents\NetBeansProjects\hhtp>rake
db:rubytes
t
(in D:/Documents and Settings/LED/My Documents/NetBeansProjects/hhtp)
D:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/file_utils.rb:9:
warni
ng: already initialized constant RUBY
D:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/file_utils.rb:86:
warn
ing: already initialized constant LN_SUPPORTED
rake aborted!
Don’t know how to build task ‘db:rubytest’
D:/Ruby192/lib/ruby/1.9.1/rake.rb:1720:in []' D:/Ruby192/lib/ruby/1.9.1/rake.rb:2040:ininvoke_task’
D:/Ruby192/lib/ruby/1.9.1/rake.rb:2019:in block (2 levels) in top_level' D:/Ruby192/lib/ruby/1.9.1/rake.rb:2019:ineach’
D:/Ruby192/lib/ruby/1.9.1/rake.rb:2019:in block in top_level' D:/Ruby192/lib/ruby/1.9.1/rake.rb:2058:instandard_exception_handling’
D:/Ruby192/lib/ruby/1.9.1/rake.rb:2013:in top_level' D:/Ruby192/lib/ruby/1.9.1/rake.rb:1992:inrun’
D:/Ruby192/bin/rake:31:in `’

D:\Documents and Settings\LED\My Documents\NetBeansProjects\hhtp>