Does anyone have any ideas about why this thing won't work?
production.log -------------------------
Processing MainController#index (for 123.123.123.123 at 2008-03-28 18:57:45) [GET]
Session ID: BAh7BiIKZmxhc2hJQzonQWN0aW9uQ29udHJvbGxlcjo6Rmxhc2g6OkZsYXNo%0ASGFzaHsABjoKQHVzZWR7AA%3D%3D--2f9e82d5bd98c6bd4648de345ce1b893b689cf8b
Parameters: {"action"=>"index", "controller"=>"main"}
Processing MainController#index (for 123.123.123.123 at 2008-03-28 18:57:45) [GET]
Session ID: BAh7BiIKZmxhc2hJQzonQWN0aW9uQ29udHJvbGxlcjo6Rmxhc2g6OkZsYXNo%0ASGFzaHsABjoKQHVzZWR7AA%3D%3D--2f9e82d5bd98c6bd4648de345ce1b893b689cf8b
Parameters: {"action"=>"index", "controller"=>"main"}
Mysql::Error (Access denied for user 'username_sitename'@'localhost' to database 'username_dataname'):
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/mysql_adapter.rb:471:in `real_connect'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/mysql_adapter.rb:471:in `connect'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/mysql_adapter.rb:165:in `initialize'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/mysql_adapter.rb:88:in `new'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/mysql_adapter.rb:88:in `mysql_connection'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:291:in `send'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:291:in `connection='
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:259:in `retrieve_connection'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:78:in `connection'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/query_cache.rb:8:in `cache'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/caching.rb:677:in `perform_action'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:524:in `send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:524:in `process_without_filters'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:685:in `process_without_session_management_support'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/session_management.rb:123:in `process'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:388:in `process'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:171:in `handle_request'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:115:in `dispatch'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:126:in `dispatch_cgi'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:9:in `dispatch'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:101:in `process_request'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:149:in `with_signal_handler'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:99:in `process_request'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:77:in `process_each_request'
/usr/local/lib/ruby/gems/1.8/gems/fcgi-0.8.7/lib/fcgi.rb:612:in `each_cgi'
/usr/local/lib/ruby/gems/1.8/gems/fcgi-0.8.7/lib/fcgi.rb:609:in `each'
/usr/local/lib/ruby/gems/1.8/gems/fcgi-0.8.7/lib/fcgi.rb:609:in `each_cgi'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:76:in `process_each_request'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:50:in `process!'
/usr/local/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/fcgi_handler.rb:24:in `process!'
dispatch.fcgi:24
Rendering /home/username/sitename/public/500.html (500 Internal Server Error)