NEWBIE - server error

when i launch the server , here is what i get :

C:\Documents and Settings\FRED> cd\rails\cookbook

C:\rails\cookbook> ruby script\server

=> Booting WEBrick... c:/ruby/lib/ruby/1.8/yaml.rb:133:in `load': syntax error on line 1, col 9: ` adapter: mysql' (ArgumentError)         from c:/ruby/lib/ruby/1.8/yaml.rb:133:in `load'         from c:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/initializer.rb:459:i n `database_configuration'         from c:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/initializer.rb:181:i n `initialize_database'         from c:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/initializer.rb:84:in `process'         from c:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/initializer.rb:42:in `run'         from ./script/../config/../config/environment.rb:13         from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `re quire'         from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_suppo rt/dependencies.rb:147:in `require'         from c:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/commands/servers/web rick.rb:52         from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `re quire'         from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_suppo rt/dependencies.rb:147:in `require'         from c:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/commands/server.rb:3 0         from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `re quire'         from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_suppo rt/dependencies.rb:147:in `require'         from script/server:3

can you please help

C:\rails\cookbook>

its worth checking you're YAML file for any Tabs - I think they don't like them IIRC

that helped solved the problem ...

thanks...