Erreur pour lister les applications utilisatrice de l'API

Dnas la partie admin "Applications de l'API", lien /admin/applications :

I, [2017-02-05T20:37:32.792334 #7275]  INFO -- :   Rendered admin/applications/index.html.haml within layouts/application (155.5ms)
I, [2017-02-05T20:37:32.792664 #7275]  INFO -- : Completed 500 Internal Server Error in 165ms (ActiveRecord: 7.5ms)
F, [2017-02-05T20:37:32.794768 #7275] FATAL -- : 
ActionView::Template::Error (undefined method `admin_doorkeeper_application_path' for #<#<Class:0x0000000a8e3d48>:0x00000009422ee0>):
    12:       %td
    13:         = app.redirect_uri
    14:       %td
    15:         = link_to "Afficher", [:admin, app], class: "show_client_app"
    16:         = link_to "Modifier", edit_admin_application_path(app), class: "edit_client_app"
    17:         = button_to "Supprimer", [:admin, app], method: :delete, class: "delete_button", data: { confirm: "Êtes-vous sûr de vouloir supprimer cette application ?" }
    18: 
  app/views/admin/applications/index.html.haml:15:in `block in _app_views_admin_applications_index_html_haml__1721076905029791148_77663000'
  app/views/admin/applications/index.html.haml:8:in `_app_views_admin_applications_index_html_haml__1721076905029791148_77663000'