registration_forms#show (NoMethodError) "undefined method 'name' for nil:NilClass"

[chrismear]

A NoMethodError occurred in registration_forms#show:

 undefined method `name' for nil:NilClass
 app/models/registration_form.rb:90:in `to_pdf'

-------------------------------
Request:
-------------------------------

 * URL       : /registration_form.pdf
 * Parameters: {"action"=>"show", "controller"=>"registration_forms", "format"=>"pdf"}
 * Rails root: /var/www/oneclick.uk.coop/releases/20130819094549

-------------------------------
Backtrace:
-------------------------------

 app/models/registration_form.rb:90:in `to_pdf'
 app/controllers/registration_forms_controller.rb:8:in `block (2 levels) in show'
 actionpack (3.2.14) lib/action_controller/metal/mime_responds.rb:196:in `call'
 actionpack (3.2.14) lib/action_controller/metal/mime_responds.rb:196:in `respond_to'
 app/controllers/registration_forms_controller.rb:6:in `show'
 actionpack (3.2.14) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
 actionpack (3.2.14) lib/abstract_controller/base.rb:167:in `process_action'
 actionpack (3.2.14) lib/action_controller/metal/rendering.rb:10:in `process_action'
 actionpack (3.2.14) lib/abstract_controller/callbacks.rb:18:in `block in process_action'
 activesupport (3.2.14) lib/active_support/callbacks.rb:491:in `_run__3675237084153118636__process_action__4452304639610489595__callbacks'
 activesupport (3.2.14) lib/active_support/callbacks.rb:405:in `__run_callback'
 activesupport (3.2.14) lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
 activesupport (3.2.14) lib/active_support/callbacks.rb:81:in `run_callbacks'
 actionpack (3.2.14) lib/abstract_controller/callbacks.rb:17:in `process_action'
 actionpack (3.2.14) lib/action_controller/metal/rescue.rb:29:in `process_action'
 actionpack (3.2.14) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
 activesupport (3.2.14) lib/active_support/notifications.rb:123:in `block in instrument'
 activesupport (3.2.14) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
 activesupport (3.2.14) lib/active_support/notifications.rb:123:in `instrument'
 actionpack (3.2.14) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
 actionpack (3.2.14) lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
 activerecord (3.2.14) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
 actionpack (3.2.14) lib/abstract_controller/base.rb:121:in `process'
 actionpack (3.2.14) lib/abstract_controller/rendering.rb:45:in `process'
 actionpack (3.2.14) lib/action_controller/metal.rb:203:in `dispatch'
 actionpack (3.2.14) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
 actionpack (3.2.14) lib/action_controller/metal.rb:246:in `block in action'
 actionpack (3.2.14) lib/action_dispatch/routing/route_set.rb:73:in `call'
 actionpack (3.2.14) lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
 actionpack (3.2.14) lib/action_dispatch/routing/route_set.rb:36:in `call'
 journey (1.0.4) lib/journey/router.rb:68:in `block in call'
 journey (1.0.4) lib/journey/router.rb:56:in `each'
 journey (1.0.4) lib/journey/router.rb:56:in `call'
 actionpack (3.2.14) lib/action_dispatch/routing/route_set.rb:608:in `call'
 exception_notification_rails3 (1.2.0) lib/exception_notifier.rb:34:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
 rack (1.4.5) lib/rack/etag.rb:23:in `call'
 rack (1.4.5) lib/rack/conditionalget.rb:25:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/head.rb:14:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/flash.rb:242:in `call'
 rack (1.4.5) lib/rack/session/abstract/id.rb:210:in `context'
 rack (1.4.5) lib/rack/session/abstract/id.rb:205:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/cookies.rb:341:in `call'
 activerecord (3.2.14) lib/active_record/query_cache.rb:64:in `call'
 activerecord (3.2.14) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
 activesupport (3.2.14) lib/active_support/callbacks.rb:405:in `_run__3045851655163297507__call__2594884001744187892__callbacks'
 activesupport (3.2.14) lib/active_support/callbacks.rb:405:in `__run_callback'
 activesupport (3.2.14) lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
 activesupport (3.2.14) lib/active_support/callbacks.rb:81:in `run_callbacks'
 actionpack (3.2.14) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
 railties (3.2.14) lib/rails/rack/logger.rb:32:in `call_app'
 railties (3.2.14) lib/rails/rack/logger.rb:16:in `block in call'
 activesupport (3.2.14) lib/active_support/tagged_logging.rb:22:in `tagged'
 railties (3.2.14) lib/rails/rack/logger.rb:16:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/request_id.rb:22:in `call'
 rack (1.4.5) lib/rack/methodoverride.rb:21:in `call'
 rack (1.4.5) lib/rack/runtime.rb:17:in `call'
 activesupport (3.2.14) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
 rack (1.4.5) lib/rack/lock.rb:15:in `call'
 actionpack (3.2.14) lib/action_dispatch/middleware/static.rb:63:in `call'
 rack-cache (1.2) lib/rack/cache/context.rb:136:in `forward'
 rack-cache (1.2) lib/rack/cache/context.rb:245:in `fetch'
 rack-cache (1.2) lib/rack/cache/context.rb:185:in `lookup'
 rack-cache (1.2) lib/rack/cache/context.rb:66:in `call!'
 rack-cache (1.2) lib/rack/cache/context.rb:51:in `call'
 railties (3.2.14) lib/rails/engine.rb:484:in `call'
 railties (3.2.14) lib/rails/application.rb:231:in `call'
 rack (1.4.5) lib/rack/content_length.rb:14:in `call'
 railties (3.2.14) lib/rails/rack/log_tailer.rb:17:in `call'
 rack (1.4.5) lib/rack/handler/webrick.rb:59:in `service'
 /home/oneclickorgs/.rbenv/versions/1.9.3-p374/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
 /home/oneclickorgs/.rbenv/versions/1.9.3-p374/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
 /home/oneclickorgs/.rbenv/versions/1.9.3-p374/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'