ActiveAdminがHerokuで完全に機能していないため、ローカルで完全に動作します。 Railsアプリケーション

Question

誰かがどこを見ているか分かっていれば、このエラーは数日間苦労しています。私は非常に感謝しています。

問題：アプリケーションでActiveAdminを実行していて、ローカルで実行すると完全に動作しますが、Herokuで実行すると、「タスク」という管理インターフェイスを1つ使用する以外は、 "

私は「タスク」を開くと、私は私のActiveAdminの500

その他の機能は完璧に動作し、私は私のDBにデータを保存することができています内部エラーが発生します。ここ

は私の宝石のファイルである：ここで

source 'https://rubygems.org' 

gem 'rails', '4.2.0' 
gem 'sass-rails', '~> 5.0' 
gem 'uglifier', '>= 1.3.0' 
gem 'coffee-rails', '~> 4.1.0' 
gem 'formtastic' 

gem 'jquery-rails' 
gem 'turbolinks' 
gem 'jbuilder', '~> 2.0' 
gem 'sdoc', '~> 0.4.0', group: :doc 

gem 'materialize-sass' 
gem 'devise', '~> 3.4.1' 
gem 'toastr-rails' 
gem 'mandrill-api', '1.0.52', require: 'mandrill' 

gem 'omniauth' 
gem 'omniauth-google-oauth2' 
gem 'omniauth-facebook' 
gem 'omniauth-github' 
gem 'tzinfo-data' 

gem 'activeadmin', github: 'activeadmin' 
gem 'active_skin' 

gem 'paperclip', '~> 4.2.1' 

gem 'redcarpet', '~> 3.2.3' 
gem 'coderay', '~> 1.1.0' 

gem 'friendly_id', '~> 5.1.0' 

gem 'active_admin-sortable_tree', '~> 0.2.1' 

gem 'stripe', :git => 'https://github.com/stripe/stripe-ruby' 

gem 'figaro', '~> 1.1.1' 

gem 'aws-sdk' 

group :development, :test do 
    gem 'byebug' 
    gem 'web-console', '~> 2.0' 
    gem 'spring' 
    gem 'sqlite3' 
end 

group :production do 
    gem 'pg' 
    gem 'rails_12factor' 
end 

は私のログです：

-22T18:57:44.580763+00:00 app[web.1]: Processing by Admin::TasksController#index as HTML 
-22T18:57:44.584610+00:00 app[web.1]: AdminUser Load (1.8ms) SELECT "admin_users".* FROM "admin_users" WHERE "admin_users"."id" = $1 ORDER BY "admin_users"."id" ASC LIM 
["id", 2]] 
-22T18:57:44.617306+00:00 app[web.1]: (1.2ms) SELECT COUNT(count_column) FROM (SELECT 1 AS count_column FROM "tasks" LIMIT 10000 OFFSET 0) subquery_for_count 
-22T18:57:44.618237+00:00 app[web.1]: CACHE (0.0ms) SELECT COUNT(count_column) FROM (SELECT 1 AS count_column FROM "tasks" LIMIT 10000 OFFSET 0) subquery_for_count 
-22T18:57:44.620682+00:00 app[web.1]: (1.1ms) SELECT COUNT(*) FROM "tasks" 
-22T18:57:44.621592+00:00 app[web.1]: CACHE (0.0ms) SELECT COUNT(count_column) FROM (SELECT 1 AS count_column FROM "tasks" LIMIT 10000 OFFSET 0) subquery_for_count 
-22T18:57:44.624387+00:00 app[web.1]: Task Load (1.4ms) SELECT "tasks".* FROM "tasks" ORDER BY "tasks"."id" desc LIMIT 10000 OFFSET 0 
-22T18:57:44.637054+00:00 app[web.1]: Rendered vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/app/views/active_admin/resource/index.html.arb (49.8ms) 
-22T18:57:44.637281+00:00 app[web.1]: Completed 500 Internal Server Error in 56ms 
-22T18:57:44.658687+00:00 app[web.1]: 
-22T18:57:44.658697+00:00 app[web.1]: ActionView::Template::Error (comparison of Fixnum with String failed): 
-22T18:57:44.658699+00:00 app[web.1]:  1: insert_tag renderer_for(:index) 
-22T18:57:44.658700+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.0/lib/active_record/relation/delegation.rb:132:in `sort_by' 
-22T18:57:44.658701+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.0/lib/active_record/relation/delegation.rb:132:in `public_send' 
-22T18:57:44.658701+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.0/lib/active_record/relation/delegation.rb:132:in `method_missing' 
-22T18:57:44.658702+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.0/lib/active_record/relation/delegation.rb:99:in `method_missing' 
-22T18:57:44.658703+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/active_admin-sortable_tree-0.2.1/lib/active_admin/views/index_as_sortable.rb:13:in `build' 
-22T18:57:44.658703+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:30:in `block in build_tag' 
-22T18:57:44.658704+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658705+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:49:in `with_current_arbre_element' 
-22T18:57:44.658705+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:26:in `build_tag' 
-22T18:57:44.658706+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:39:in `insert_tag' 
-22T18:57:44.658709+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/index.rb:139:in `block (2 levels) in rend 
x' 
-22T18:57:44.658709+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:31:in `block in build_tag' 
-22T18:57:44.658710+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658711+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:49:in `with_current_arbre_element' 
-22T18:57:44.658712+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:26:in `build_tag' 
-22T18:57:44.658712+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:39:in `insert_tag' 
-22T18:57:44.658713+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:14:in `div' 
-22T18:57:44.658715+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/index.rb:138:in `block in render_index' 
-22T18:57:44.658716+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:31:in `block in build_tag' 
-22T18:57:44.658716+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658717+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:49:in `with_current_arbre_element' 
-22T18:57:44.658718+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:26:in `build_tag' 
-22T18:57:44.658718+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:39:in `insert_tag' 
-22T18:57:44.658719+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:14:in `paginated_collection' 
-22T18:57:44.658720+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/index.rb:132:in `render_index' 
-22T18:57:44.658720+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/index.rb:50:in `build_collection' 
-22T18:57:44.658721+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/index.rb:28:in `block in main_content' 
-22T18:57:44.658722+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:31:in `block in build_tag' 
-22T18:57:44.658723+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658723+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:49:in `with_current_arbre_element' 
-22T18:57:44.658724+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:26:in `build_tag' 
-22T18:57:44.658725+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:39:in `insert_tag' 
-22T18:57:44.658726+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:14:in `batch_action_form' 
-22T18:57:44.658726+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/index.rb:36:in `wrap_with_batch_action_fo 

-22T18:57:44.658727+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/index.rb:26:in `main_content' 
-22T18:57:44.658732+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/base.rb:91:in `block (2 levels) in build_ 
ntent_wrapper' 
-22T18:57:44.658733+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:31:in `block in build_tag' 
-22T18:57:44.658734+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658735+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:49:in `with_current_arbre_element' 
-22T18:57:44.658735+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:26:in `build_tag' 
-22T18:57:44.658736+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:39:in `insert_tag' 
-22T18:57:44.658737+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:14:in `div' 
-22T18:57:44.658737+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/base.rb:90:in `block in build_main_conten 
er' 
-22T18:57:44.658738+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:31:in `block in build_tag' 
-22T18:57:44.658739+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658740+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:49:in `with_current_arbre_element' 
-22T18:57:44.658740+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:26:in `build_tag' 
-22T18:57:44.658741+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:39:in `insert_tag' 
-22T18:57:44.658742+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:14:in `div' 
-22T18:57:44.658743+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/base.rb:89:in `build_main_content_wrapper 

-22T18:57:44.658743+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/base.rb:75:in `block in build_page_conten 

-22T18:57:44.658744+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:31:in `block in build_tag' 
-22T18:57:44.658745+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658746+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:49:in `with_current_arbre_element' 
-22T18:57:44.658746+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:26:in `build_tag' 
-22T18:57:44.658747+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:39:in `insert_tag' 
-22T18:57:44.658748+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:14:in `div' 
-22T18:57:44.658748+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/base.rb:74:in `build_page_content' 
-22T18:57:44.658749+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/base.rb:52:in `block (2 levels) in build_ 

-22T18:57:44.658750+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:31:in `block in build_tag' 
-22T18:57:44.658751+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658752+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:49:in `with_current_arbre_element' 
-22T18:57:44.658752+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:26:in `build_tag' 
-22T18:57:44.658753+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:39:in `insert_tag' 
-22T18:57:44.658754+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:14:in `div' 
-22T18:57:44.658754+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/base.rb:48:in `block in build_page' 
-22T18:57:44.658755+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658756+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:49:in `with_current_arbre_element' 
-22T18:57:44.658757+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/base.rb:47:in `build_page' 
-22T18:57:44.658758+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/lib/active_admin/views/pages/base.rb:10:in `build' 
-22T18:57:44.658758+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:30:in `block in build_tag' 
-22T18:57:44.658762+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:92:in `with_current_arbre_element' 
-22T18:57:44.658763+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:26:in `build_tag' 
-22T18:57:44.658764+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/element/builder_methods.rb:39:in `insert_tag' 
-22T18:57:44.658765+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/app/views/active_admin/resource/index.html.arb:2:in `block in _vendor_ 
ruby_______bundler_gems_activeadmin___fd_c__fc___app_views_active_admin_resource_index_html_arb___3510243039498056837_70206307693640' 
-22T18:57:44.658766+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:45:in `instance_eval' 
-22T18:57:44.658767+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/arbre-1.0.3/lib/arbre/context.rb:45:in `initialize' 
-22T18:57:44.658767+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/app/views/active_admin/resource/index.html.arb:1:in `new' 
-22T18:57:44.658768+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-18fd1c23fc60/app/views/active_admin/resource/index.html.arb:1:in `_vendor_bundle_ru 
__bundler_gems_activeadmin___fd_c__fc___app_views_active_admin_resource_index_html_arb___3510243039498056837_70206307693640' 
-22T18:57:44.658769+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionview-4.2.0/lib/action_view/template.rb:145:in `block in render' 
-22T18:57:44.658786+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/notifications.rb:166:in `instrument' 
-22T18:57:44.658787+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionview-4.2.0/lib/action_view/template.rb:333:in `instrument' 
-22T18:57:44.658788+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionview-4.2.0/lib/action_view/template.rb:143:in `render' 
-22T18:57:44.658788+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionview-4.2.0/lib/action_view/renderer/template_renderer.rb:54:in `block (2 levels) in render_templa 

-22T18:57:44.658789+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionview-4.2.0/lib/action_view/renderer/abstract_renderer.rb:39:in `block in instrument' 
-22T18:57:44.658790+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/notifications.rb:164:in `block in instrument' 
-22T18:57:44.658790+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/notifications/instrumenter.rb:20:in `instrument' 
-22T18:57:44.658791+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport- 
-22T18:57:44.658838+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/notifications.rb:164:in `block in instrument' 
-22T18:57:44.658839+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/notifications/instrumenter.rb:20:in `instrument' 
-22T18:57:44.658840+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/notifications.rb:164:in `instrument' 
-22T18:57:44.658840+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_controller/metal/instrumentation.rb:30:in `process_action' 
-22T18:57:44.658841+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_controller/metal/params_wrapper.rb:250:in `process_action' 
-22T18:57:44.658842+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.0/lib/active_record/railties/controller_runtime.rb:18:in `process_action' 
-22T18:57:44.658842+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/abstract_controller/base.rb:137:in `process' 
-22T18:57:44.658843+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionview-4.2.0/lib/action_view/rendering.rb:30:in `process' 
-22T18:57:44.658844+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_controller/metal.rb:195:in `dispatch' 
-22T18:57:44.658845+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_controller/metal/rack_delegation.rb:13:in `dispatch' 
-22T18:57:44.658845+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_controller/metal.rb:236:in `block in action' 
-22T18:57:44.658846+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:73:in `call' 
-22T18:57:44.658846+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:73:in `dispatch' 
-22T18:57:44.658847+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:42:in `serve' 
-22T18:57:44.658847+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/journey/router.rb:43:in `block in serve' 
-22T18:57:44.658848+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/journey/router.rb:30:in `each' 
-22T18:57:44.658849+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/journey/router.rb:30:in `serve' 
-22T18:57:44.658849+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:802:in `call' 
-22T18:57:44.658854+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:186:in `call!' 
-22T18:57:44.658855+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:164:in `call' 
-22T18:57:44.658856+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:186:in `call!' 
-22T18:57:44.658856+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:164:in `call' 
-22T18:57:44.658857+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:186:in `call!' 
-22T18:57:44.658857+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:164:in `call' 
-22T18:57:44.658858+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/warden-1.2.6/lib/warden/manager.rb:35:in `block in call' 
-22T18:57:44.658859+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/warden-1.2.6/lib/warden/manager.rb:34:in `catch' 
-22T18:57:44.658859+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/warden-1.2.6/lib/warden/manager.rb:34:in `call' 
-22T18:57:44.658860+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/etag.rb:24:in `call' 
-22T18:57:44.658861+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/conditionalget.rb:25:in `call' 
-22T18:57:44.658861+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/head.rb:13:in `call' 
-22T18:57:44.658862+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/params_parser.rb:27:in `call' 
-22T18:57:44.658863+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/flash.rb:260:in `call' 
-22T18:57:44.658863+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/session/abstract/id.rb:225:in `context' 
-22T18:57:44.658864+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/session/abstract/id.rb:220:in `call' 
-22T18:57:44.658865+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/cookies.rb:560:in `call' 
-22T18:57:44.658868+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.0/lib/active_record/query_cache.rb:36:in `call' 
-22T18:57:44.658869+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:647:in `call' 
-22T18:57:44.658870+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/callbacks.rb:29:in `block in call' 
-22T18:57:44.658870+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/callbacks.rb:88:in `call' 
-22T18:57:44.658871+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/callbacks.rb:88:in `_run_callbacks' 
-22T18:57:44.658872+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/callbacks.rb:734:in `_run_call_callbacks' 
-22T18:57:44.658873+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/callbacks.rb:81:in `run_callbacks' 
-22T18:57:44.658873+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/callbacks.rb:27:in `call' 
-22T18:57:44.658874+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/remote_ip.rb:78:in `call' 
-22T18:57:44.658874+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call' 
-22T18:57:44.658875+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call' 
-22T18:57:44.658876+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/railties-4.2.0/lib/rails/rack/logger.rb:38:in `call_app' 
-22T18:57:44.658876+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/railties-4.2.0/lib/rails/rack/logger.rb:20:in `block in call' 
-22T18:57:44.658877+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/tagged_logging.rb:68:in `block in tagged' 
-22T18:57:44.658877+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/tagged_logging.rb:26:in `tagged' 
-22T18:57:44.658878+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/tagged_logging.rb:68:in `tagged' 
-22T18:57:44.658878+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/railties-4.2.0/lib/rails/rack/logger.rb:20:in `call' 
-22T18:57:44.658879+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/request_id.rb:21:in `call' 
-22T18:57:44.658880+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/methodoverride.rb:22:in `call' 
-22T18:57:44.656956+00:00 heroku[router]: at=info method=GET path="/admin/tasks" host=www.mydomain.com request_id=c0a82d1f-490b-429f-9b09-48b6c75cd5d1 fwd="110.175.239. 
no=web.1 connect=1ms service=88ms status=500 bytes=1754 
-22T18:57:44.658880+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/runtime.rb:18:in `call' 
-22T18:57:44.658881+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/activesupport-4.2.0/lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call' 
-22T18:57:44.658881+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/actionpack-4.2.0/lib/action_dispatch/middleware/static.rb:113:in `call' 
-22T18:57:44.658882+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/sendfile.rb:113:in `call' 
-22T18:57:44.658883+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/railties-4.2.0/lib/rails/engine.rb:518:in `call' 
-22T18:57:44.658884+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/railties-4.2.0/lib/rails/application.rb:164:in `call' 
-22T18:57:44.658884+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/lock.rb:17:in `call' 
-22T18:57:44.658885+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/content_length.rb:15:in `call' 
-22T18:57:44.658886+00:00 app[web.1]: vendor/bundle/ruby/2.2.0/gems/rack-1.6.4/lib/rack/handler/webrick.rb:88:in `service' 
-22T18:57:44.658886+00:00 app[web.1]: vendor/ruby-2.2.4/lib/ruby/2.2.0/webrick/httpserver.rb:138:in `service' 
-22T18:57:44.658887+00:00 app[web.1]: vendor/ruby-2.2.4/lib/ruby/2.2.0/webrick/httpserver.rb:94:in `run' 
-22T18:57:44.658888+00:00 app[web.1]: vendor/ruby-2.2.4/lib/ruby/2.2.0/webrick/server.rb:294:in `block in start_thread' 
-22T18:57:44.658888+00:00 app[web.1]: 
-22T18:57:44.658889+00:00 app[web.1]: 

アプリ/管理/ task.rb

ActiveAdmin.register Task do 
    permit_params :title, :note, :video, :header, :tag, :project_id 

    sortable tree: false, 
         sorting_attribute: :tag 

    index :as => :sortable do 
     label :title 

     actions 
    end 

    index do 
     selectable_column 
     column :header 
     column :title 
     column :tag 
     column :project 

     actions 
    end 

    form do |f| 
     f.inputs do 
      input :project, label: "Project" 
      input :title, label: "Title" 
      input :note, label: "Note" 
      input :video, label: "video" 
      input :header, label: "Header" 
     end 

     actions 
    end 

end 

誰もが知っている場合、私がすべきかを知っています私は永遠に感謝しますか？この問題を解決するために他のファイルを表示する必要がある場合は、教えてください。私はここに追加します。

Answer 1

私はsorting_attribute: :tag私は、これは、これを行うための最善の方法ではないかもしれません知っているが、それは私の問題を解決し

sorting_attribute: :project_idにを変更することで、この問題を並べ替えることができました。コメントして賢明な助けをくれたあなたには大変感謝しています。