NoMethodError: undefined method `username' for nil:NilClass

[carols10cents]

Check full details on Airbrake: #69667528

Backtrace:

[PROJECT_ROOT]/app/controllers/subscriptions_controller.rb:83:in create [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_controller/metal/implicit_render.rb:4:in send_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/abstract_controller/base.rb:167:in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_controller/metal/rendering.rb:10:in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/abstract_controller/callbacks.rb:18:in block in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:425:in _run4561966773010687914process_action2235043478272285888callbacks [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:405:in run_callback [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:385:in _run_process_action_callbacks [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:81:in run_callbacks [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/abstract_controller/callbacks.rb:17:in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_controller/metal/rescue.rb:29:in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_controller/metal/instrumentation.rb:30:in block in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/notifications.rb:123:in block in instrument [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/notifications/instrumenter.rb:20:in instrument [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/notifications.rb:123:in instrument [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_controller/metal/instrumentation.rb:29:in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_controller/metal/params_wrapper.rb:207:in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/newrelic_rpm-3.3.5/lib/new_relic/agent/instrumentation/rails3/action_controller.rb:34:in block in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/newrelic_rpm-3.3.5/lib/new_relic/agent/instrumentation/controller_instrumentation.rb:257:in block in perform_action_with_newrelic_trace [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/newrelic_rpm-3.3.5/lib/new_relic/agent/method_tracer.rb:242:in trace_execution_scoped [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/newrelic_rpm-3.3.5/lib/new_relic/agent/instrumentation/controller_instrumentation.rb:252:in perform_action_with_newrelic_trace [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/newrelic_rpm-3.3.5/lib/new_relic/agent/instrumentation/rails3/action_controller.rb:33:in process_action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/abstract_controller/base.rb:121:in process [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/abstract_controller/rendering.rb:45:in process [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_controller/metal.rb:203:in dispatch [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_controller/metal/rack_delegation.rb:14:in dispatch [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_controller/metal.rb:246:in block in action [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/routing/route_set.rb:73:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/routing/route_set.rb:73:in dispatch [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/routing/route_set.rb:36:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/journey-1.0.4/lib/journey/router.rb:68:in block in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/journey-1.0.4/lib/journey/router.rb:56:in each [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/journey-1.0.4/lib/journey/router.rb:56:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/routing/route_set.rb:601:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/omniauth-1.1.4/lib/omniauth/strategy.rb:184:in call! [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/omniauth-1.1.4/lib/omniauth/strategy.rb:164:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/omniauth-1.1.4/lib/omniauth/builder.rb:49:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/newrelic_rpm-3.3.5/lib/new_relic/rack/browser_monitoring.rb:12:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/sass-3.1.21/lib/sass/plugin/rack.rb:54:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/best_standards_support.rb:17:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/etag.rb:23:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/conditionalget.rb:35:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/head.rb:14:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/params_parser.rb:21:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/flash.rb:242:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:210:in context [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/session/abstract/id.rb:205:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/cookies.rb:341:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/callbacks.rb:28:in block in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:405:in _run2447879619836500414call1864567447193154827callbacks [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:405:in run_callback [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:385:in _run_call_callbacks [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/callbacks.rb:81:in run_callbacks [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/callbacks.rb:27:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/sendfile.rb:102:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/remote_ip.rb:31:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/debug_exceptions.rb:16:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/show_exceptions.rb:56:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/railties-3.2.12/lib/rails/rack/logger.rb:32:in call_app [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/railties-3.2.12/lib/rails/rack/logger.rb:16:in block in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/tagged_logging.rb:22:in tagged [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/railties-3.2.12/lib/rails/rack/logger.rb:16:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/request_id.rb:22:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/methodoverride.rb:21:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/runtime.rb:17:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.12/lib/active_support/cache/strategy/local_cache.rb:72:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/lock.rb:15:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/action_dispatch/middleware/static.rb:62:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-ssl-1.3.3/lib/rack/ssl.rb:27:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:136:in forward [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:143:in pass [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:155:in invalidate [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:71:in call! [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:51:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/railties-3.2.12/lib/rails/engine.rb:479:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/railties-3.2.12/lib/rails/application.rb:223:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/content_length.rb:14:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/railties-3.2.12/lib/rails/rack/log_tailer.rb:17:in call [PROJECT_ROOT]/vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler/webrick.rb:59:in service [PROJECT_ROOT]/vendor/ruby-1.9.2/lib/ruby/1.9.1/webrick/httpserver.rb:111:in service [PROJECT_ROOT]/vendor/ruby-1.9.2/lib/ruby/1.9.1/webrick/httpserver.rb:70:in run [PROJECT_ROOT]/vendor/ruby-1.9.2/lib/ruby/1.9.1/webrick/server.rb:183:in block in start_thread