Chrome Bowser - JavaScript is OFF

After the sign_out

I get an error message:

RuntimeError in UsersController#show

Called id for nil, which would mistakenly be 4 -- if you really wanted the id of nil, use object_id
Rails.root: /u/apps/hackful/releases/20130215174212

app/controllers/users_controller.rb:7:in show' actionpack (3.1.10) lib/action_controller/metal/implicit_render.rb:4:insend_action'
actionpack (3.1.10) lib/abstract_controller/base.rb:167:in process_action' actionpack (3.1.10) lib/action_controller/metal/rendering.rb:10:inprocess_action'
actionpack (3.1.10) lib/abstract_controller/callbacks.rb:18:in block in process_action' activesupport (3.1.10) lib/active_support/callbacks.rb:425:in_run__801964955__process_action__368434572__callbacks'
activesupport (3.1.10) lib/active_support/callbacks.rb:386:in _run_process_action_callbacks' activesupport (3.1.10) lib/active_support/callbacks.rb:81:inrun_callbacks'
actionpack (3.1.10) lib/abstract_controller/callbacks.rb:17:in process_action' actionpack (3.1.10) lib/action_controller/metal/rescue.rb:17:inprocess_action'
actionpack (3.1.10) lib/action_controller/metal/instrumentation.rb:30:in block in process_action' activesupport (3.1.10) lib/active_support/notifications.rb:53:inblock in instrument'
activesupport (3.1.10) lib/active_support/notifications/instrumenter.rb:21:in instrument' activesupport (3.1.10) lib/active_support/notifications.rb:53:ininstrument'
actionpack (3.1.10) lib/action_controller/metal/instrumentation.rb:29:in process_action' actionpack (3.1.10) lib/action_controller/metal/params_wrapper.rb:201:inprocess_action'
activerecord (3.1.10) lib/active_record/railties/controller_runtime.rb:18:in process_action' actionpack (3.1.10) lib/abstract_controller/base.rb:121:inprocess'
actionpack (3.1.10) lib/abstract_controller/rendering.rb:45:in process' actionpack (3.1.10) lib/action_controller/metal.rb:193:indispatch'
actionpack (3.1.10) lib/action_controller/metal/rack_delegation.rb:14:in dispatch' actionpack (3.1.10) lib/action_controller/metal.rb:236:inblock in action'
actionpack (3.1.10) lib/action_dispatch/routing/route_set.rb:71:in call' actionpack (3.1.10) lib/action_dispatch/routing/route_set.rb:71:indispatch'
actionpack (3.1.10) lib/action_dispatch/routing/route_set.rb:35:in call' rack-mount (0.8.3) lib/rack/mount/route_set.rb:152:inblock in call'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:96:in block in recognize' rack-mount (0.8.3) lib/rack/mount/code_generation.rb:103:inoptimized_each'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:95:in recognize' rack-mount (0.8.3) lib/rack/mount/route_set.rb:141:incall'
actionpack (3.1.10) lib/action_dispatch/routing/route_set.rb:538:in call' warden (1.2.1) lib/warden/manager.rb:35:inblock in call'
warden (1.2.1) lib/warden/manager.rb:34:in catch' warden (1.2.1) lib/warden/manager.rb:34:incall'
actionpack (3.1.10) lib/action_dispatch/middleware/best_standards_support.rb:17:in call' rack (1.3.10) lib/rack/etag.rb:23:incall'
rack (1.3.10) lib/rack/conditionalget.rb:25:in call' actionpack (3.1.10) lib/action_dispatch/middleware/head.rb:14:incall'
actionpack (3.1.10) lib/action_dispatch/middleware/params_parser.rb:21:in call' actionpack (3.1.10) lib/action_dispatch/middleware/flash.rb:243:incall'
rack (1.3.10) lib/rack/session/abstract/id.rb:195:in context' rack (1.3.10) lib/rack/session/abstract/id.rb:190:incall'
actionpack (3.1.10) lib/action_dispatch/middleware/cookies.rb:331:in call' activerecord (3.1.10) lib/active_record/query_cache.rb:64:incall'
activerecord (3.1.10) lib/active_record/connection_adapters/abstract/connection_pool.rb:477:in call' actionpack (3.1.10) lib/action_dispatch/middleware/callbacks.rb:29:inblock in call'
activesupport (3.1.10) lib/active_support/callbacks.rb:392:in _run_call_callbacks' activesupport (3.1.10) lib/active_support/callbacks.rb:81:inrun_callbacks'
actionpack (3.1.10) lib/action_dispatch/middleware/callbacks.rb:28:in call' actionpack (3.1.10) lib/action_dispatch/middleware/reloader.rb:68:incall'
rack (1.3.10) lib/rack/sendfile.rb:101:in call' actionpack (3.1.10) lib/action_dispatch/middleware/remote_ip.rb:48:incall'
actionpack (3.1.10) lib/action_dispatch/middleware/show_exceptions.rb:47:in call' railties (3.1.10) lib/rails/rack/logger.rb:13:incall'
rack (1.3.10) lib/rack/methodoverride.rb:24:in call' rack (1.3.10) lib/rack/runtime.rb:17:incall'
activesupport (3.1.10) lib/active_support/cache/strategy/local_cache.rb:72:in call' rack (1.3.10) lib/rack/lock.rb:15:incall'
actionpack (3.1.10) lib/action_dispatch/middleware/static.rb:61:in call' railties (3.1.10) lib/rails/engine.rb:456:incall'
railties (3.1.10) lib/rails/application.rb:143:in call' railties (3.1.10) lib/rails/railtie/configurable.rb:30:inmethod_missing'
passenger (3.0.11) lib/phusion_passenger/rack/request_handler.rb:96:in process_request' passenger (3.0.11) lib/phusion_passenger/abstract_request_handler.rb:513:inaccept_and_process_next_request'
passenger (3.0.11) lib/phusion_passenger/abstract_request_handler.rb:274:in main_loop' passenger (3.0.11) lib/phusion_passenger/rack/application_spawner.rb:206:instart_request_handler'
passenger (3.0.11) lib/phusion_passenger/rack/application_spawner.rb:171:in block in handle_spawn_application' passenger (3.0.11) lib/phusion_passenger/utils.rb:479:insafe_fork'
passenger (3.0.11) lib/phusion_passenger/rack/application_spawner.rb:166:in handle_spawn_application' passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:357:inserver_main_loop'
passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:206:in start_synchronously' passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:180:instart'
passenger (3.0.11) lib/phusion_passenger/rack/application_spawner.rb:129:in start' passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:253:inblock (2 levels) in spawn_rack_application'
passenger (3.0.11) lib/phusion_passenger/abstract_server_collection.rb:132:in lookup_or_add' passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:246:inblock in spawn_rack_application'
passenger (3.0.11) lib/phusion_passenger/abstract_server_collection.rb:82:in block in synchronize' <internal:prelude>:10:insynchronize'
passenger (3.0.11) lib/phusion_passenger/abstract_server_collection.rb:79:in synchronize' passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:244:inspawn_rack_application'
passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:137:in spawn_application' passenger (3.0.11) lib/phusion_passenger/spawn_manager.rb:275:inhandle_spawn_application'
passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:357:in server_main_loop' passenger (3.0.11) lib/phusion_passenger/abstract_server.rb:206:instart_synchronously'
passenger (3.0.11) helper-scripts/passenger-spawn-server:99:in `

Request

Parameters:

{"has_one"=>:data_set,
"id"=>"sign_out"}

HTTP_ACCEPT: "text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8"
HTTP_ACCEPT_CHARSET: "ISO-8859-1,utf-8;q=0.7,*;q=0.3"
HTTP_ACCEPT_ENCODING: "gzip, deflate"
HTTP_ACCEPT_LANGUAGE: "de-DE,de;q=0.8,en-US;q=0.6,en;q=0.4"
HTTP_CACHE_CONTROL: "max-age=0"
REMOTE_ADDR: "31.19.213.6"
SERVER_NAME: "hackful.eu"
SERVER_PROTOCOL: "HTTP/1.1"