backtrace

ArgumentError at /api/v1/products/components_and_accessories
============================================================

> When assigning attributes, you must pass a hash as an argument.

app/controllers/api/v1/products_controller.rb, line 7
-----------------------------------------------------

``` ruby
    2     before_filter :verify_auth_token
    3   
    4     respond_to :json
    5   
    6     def components_and_accessories
>   7       render json: Spree::Product.components_and_accessories_plus, root: false
    8     end
    9   
   10     def monitoring_plans
   11       render json: Spree::Product.monitoring_plans_plus, root: false
   12     end
```

App backtrace
-------------

 - app/controllers/api/v1/products_controller.rb:7:in `components_and_accessories'

Full backtrace
--------------

 - activerecord (4.1.5) lib/active_record/attribute_assignment.rb:16:in `assign_attributes'
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 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer/array_serializer.rb:16:in `block in initialize'
 - activerecord (4.1.5) lib/active_record/relation/delegation.rb:46:in `map'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer/array_serializer.rb:11:in `initialize'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer.rb:203:in `block in each_association'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer.rb:196:in `each_association'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer/adapter/json.rb:11:in `block in serializable_hash'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer/adapter.rb:64:in `cached_object'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer/adapter/json.rb:9:in `serializable_hash'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer/adapter/json.rb:7:in `block in serializable_hash'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer/array_serializer.rb:5:in `each'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer/adapter/json.rb:7:in `serializable_hash'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/active_model/serializer/adapter.rb:21:in `as_json'
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 - actionpack (4.1.5) lib/action_controller/metal/renderers.rb:96:in `block in 
<module:Renderers>'
 -  () Users/devin/.rbenv/versions/2.2.0/lib/ruby/gems/2.2.0/bundler/gems/active_model_serializers-5da139052c84/lib/action_controller/serialization.rb:49:in `block (2 levels) in 
    <module:Serialization>'
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 - /Users/devin/.rbenv/versions/2.2.0/lib/ruby/2.2.0/set.rb:283:in `each'
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 - actionpack (4.1.5) lib/action_controller/metal/renderers.rb:32:in `render_to_body'
 - actionpack (4.1.5) lib/abstract_controller/rendering.rb:25:in `render'
 - actionpack (4.1.5) lib/action_controller/metal/rendering.rb:16:in `render'
 - actionpack (4.1.5) lib/action_controller/metal/instrumentation.rb:41:in `block (2 levels) in render'
 - activesupport (4.1.5) lib/active_support/core_ext/benchmark.rb:12:in `block in ms'
 - /Users/devin/.rbenv/versions/2.2.0/lib/ruby/2.2.0/benchmark.rb:303:in `realtime'
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 - actionpack (4.1.5) lib/action_controller/metal/instrumentation.rb:41:in `block in render'
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 - actionpack (4.1.5) lib/action_controller/metal/instrumentation.rb:40:in `render'
 - app/controllers/api/v1/products_controller.rb:7:in `components_and_accessories'
 - actionpack (4.1.5) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
 - actionpack (4.1.5) lib/abstract_controller/base.rb:189:in `process_action'
 - actionpack (4.1.5) lib/action_controller/metal/rendering.rb:10:in `process_action'
 - actionpack (4.1.5) lib/abstract_controller/callbacks.rb:20:in `block in process_action'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:113:in `call'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:166:in `block in halting'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:229:in `block in halting'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:166:in `block in halting'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:166:in `block in halting'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:229:in `block in halting'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:166:in `block in halting'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:166:in `block in halting'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:86:in `run_callbacks'
 - actionpack (4.1.5) lib/abstract_controller/callbacks.rb:19:in `process_action'
 - actionpack (4.1.5) lib/action_controller/metal/rescue.rb:29:in `process_action'
 - actionpack (4.1.5) lib/action_controller/metal/instrumentation.rb:31:in `block in process_action'
 - activesupport (4.1.5) lib/active_support/notifications.rb:159:in `block in instrument'
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 - activesupport (4.1.5) lib/active_support/notifications.rb:159:in `instrument'
 - actionpack (4.1.5) lib/action_controller/metal/instrumentation.rb:30:in `process_action'
 - actionpack (4.1.5) lib/action_controller/metal/params_wrapper.rb:250:in `process_action'
 - activerecord (4.1.5) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
 - actionpack (4.1.5) lib/abstract_controller/base.rb:136:in `process'
 - actionview (4.1.5) lib/action_view/rendering.rb:30:in `process'
 - actionpack (4.1.5) lib/action_controller/metal.rb:196:in `dispatch'
 - actionpack (4.1.5) lib/action_controller/metal/rack_delegation.rb:13:in `dispatch'
 - actionpack (4.1.5) lib/action_controller/metal.rb:232:in `block in action'
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 - meta_request (0.3.4) lib/meta_request/middlewares/app_request_handler.rb:13:in `call'
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 - rack (1.5.3) lib/rack/etag.rb:23:in `call'
 - rack (1.5.3) lib/rack/conditionalget.rb:25:in `call'
 - rack (1.5.3) lib/rack/head.rb:11:in `call'
 - actionpack (4.1.5) lib/action_dispatch/middleware/params_parser.rb:27:in `call'
 - actionpack (4.1.5) lib/action_dispatch/middleware/flash.rb:254:in `call'
 - rack (1.5.3) lib/rack/session/abstract/id.rb:225:in `context'
 - rack (1.5.3) lib/rack/session/abstract/id.rb:220:in `call'
 - actionpack (4.1.5) lib/action_dispatch/middleware/cookies.rb:560:in `call'
 - activerecord (4.1.5) lib/active_record/query_cache.rb:36:in `call'
 - activerecord (4.1.5) lib/active_record/connection_adapters/abstract/connection_pool.rb:621:in `call'
 - activerecord (4.1.5) lib/active_record/migration.rb:380:in `call'
 - actionpack (4.1.5) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
 - activesupport (4.1.5) lib/active_support/callbacks.rb:82:in `run_callbacks'
 - actionpack (4.1.5) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
 - actionpack (4.1.5) lib/action_dispatch/middleware/reloader.rb:73:in `call'
 - actionpack (4.1.5) lib/action_dispatch/middleware/remote_ip.rb:76:in `call'
 - rack-contrib (1.1.0) lib/rack/contrib/response_headers.rb:17:in `call'
 - meta_request (0.3.4) lib/meta_request/middlewares/headers.rb:16:in `call'
 - better_errors (1.1.0) lib/better_errors/middleware.rb:84:in `protected_app_call'
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 - actionpack (4.1.5) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
 - railties (4.1.5) lib/rails/rack/logger.rb:38:in `call_app'
 - railties (4.1.5) lib/rails/rack/logger.rb:22:in `call'
 - quiet_assets (1.0.3) lib/quiet_assets.rb:23:in `call_with_quiet_assets'
 - actionpack (4.1.5) lib/action_dispatch/middleware/request_id.rb:21:in `call'
 - rack (1.5.3) lib/rack/methodoverride.rb:21:in `call'
 - rack (1.5.3) lib/rack/runtime.rb:17:in `call'
 - activesupport (4.1.5) lib/active_support/cache/strategy/local_cache_middleware.rb:26:in `call'
 - rack (1.5.3) lib/rack/lock.rb:17:in `call'
 - actionpack (4.1.5) lib/action_dispatch/middleware/static.rb:64:in `call'
 - rack (1.5.3) lib/rack/sendfile.rb:112:in `call'
 - railties (4.1.5) lib/rails/engine.rb:514:in `call'
 - railties (4.1.5) lib/rails/application.rb:144:in `call'
 - /Users/devin/Library/Application Support/Pow/Versions/0.5.0/node_modules/nack/lib/nack/server.rb:155:in `handle'
 - /Users/devin/Library/Application Support/Pow/Versions/0.5.0/node_modules/nack/lib/nack/server.rb:109:in `rescue in block (2 levels) in start'
 - /Users/devin/Library/Application Support/Pow/Versions/0.5.0/node_modules/nack/lib/nack/server.rb:106:in `block (2 levels) in start'
 - /Users/devin/Library/Application Support/Pow/Versions/0.5.0/node_modules/nack/lib/nack/server.rb:96:in `block in start'
 - /Users/devin/Library/Application Support/Pow/Versions/0.5.0/node_modules/nack/lib/nack/server.rb:76:in `start'
 - /Users/devin/Library/Application Support/Pow/Versions/0.5.0/node_modules/nack/lib/nack/server.rb:12:in `run'
 - /Users/devin/Library/Application Support/Pow/Versions/0.5.0/node_modules/nack/bin/nack_worker:4:in `
        <main>'