error with rubber

gistfile1.txt

cap rubber:setup_security_groups
    triggering load callbacks
  * 2013-03-05 17:32:59 executing `rubber:init'
  * 2013-03-05 17:33:00 executing `rubber:setup_security_groups'
  * Security Group already in cloud, syncing rules: sampleapp_production_default
  * Missing rule, creating: {"source_group_name"=>"sampleapp_production_default", "source_group_account"=>"artsicle", "protocol"=>"tcp", "from_port"=>"1", "to_port"=>"65535"}
/home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/middlewares/expects.rb:10:in `response_call': Unable to find group 'sampleapp_production_default' (Fog::Compute::AWS::NotFound)
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/connection.rb:325:in `response'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/connection.rb:230:in `request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/middlewares/idempotent.rb:11:in `error_call'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/middlewares/base.rb:10:in `error_call'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/connection.rb:243:in `rescue in request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/connection.rb:204:in `request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/middlewares/idempotent.rb:11:in `error_call'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/middlewares/base.rb:10:in `error_call'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/connection.rb:243:in `rescue in request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/connection.rb:204:in `request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/middlewares/idempotent.rb:11:in `error_call'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/middlewares/base.rb:10:in `error_call'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/connection.rb:243:in `rescue in request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/excon-0.19.5/lib/excon/connection.rb:204:in `request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/fog-1.10.0/lib/fog/core/connection.rb:21:in `request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/fog-1.10.0/lib/fog/aws/compute.rb:384:in `_request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/fog-1.10.0/lib/fog/aws/compute.rb:379:in `request'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/fog-1.10.0/lib/fog/aws/requests/compute/authorize_security_group_ingress.rb:54:in `authorize_security_group_ingress'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/fog-1.10.0/lib/fog/aws/models/compute/security_group.rb:104:in `authorize_port_range'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/rubber-2.2.3/lib/rubber/cloud/fog.rb:182:in `add_security_group_rule'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/rubber-2.2.3/lib/rubber/thread_safe_proxy.rb:13:in `method_missing'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/rubber-2.2.3/lib/rubber/recipes/rubber/security_groups.rb:187:in `block (2 levels) in sync_security_groups'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/rubber-2.2.3/lib/rubber/recipes/rubber/security_groups.rb:182:in `each'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/rubber-2.2.3/lib/rubber/recipes/rubber/security_groups.rb:182:in `block in sync_security_groups'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/rubber-2.2.3/lib/rubber/recipes/rubber/security_groups.rb:111:in `each'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/rubber-2.2.3/lib/rubber/recipes/rubber/security_groups.rb:111:in `sync_security_groups'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/rubber-2.2.3/lib/rubber/recipes/rubber/security_groups.rb:51:in `setup_security_groups'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/rubber-2.2.3/lib/rubber/recipes/rubber/security_groups.rb:9:in `block (2 levels) in load'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/configuration/execution.rb:138:in `instance_eval'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/configuration/execution.rb:138:in `invoke_task_directly'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/configuration/callbacks.rb:25:in `invoke_task_directly_with_callbacks'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/configuration/execution.rb:89:in `execute_task'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/configuration/execution.rb:101:in `find_and_execute_task'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/cli/execute.rb:46:in `block in execute_requested_actions'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/cli/execute.rb:45:in `each'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/cli/execute.rb:45:in `execute_requested_actions'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/cli/help.rb:19:in `execute_requested_actions_with_help'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/cli/execute.rb:34:in `execute!'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/lib/capistrano/cli/execute.rb:14:in `execute'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/gems/capistrano-2.14.2/bin/cap:4:in `<top (required)>'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/bin/cap:19:in `load'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/bin/cap:19:in `<main>'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/bin/ruby_noexec_wrapper:14:in `eval'
	from /home/ksh2115/.rvm/gems/ruby-1.9.3-p385@rails3tutorial2ndEd/bin/ruby_noexec_wrapper:14:in `<main>'