Missing Template pages/posts/index.html

Started GET "/pages/xyz/posts" for 127.0.0.1 at 2017-08-14 07:02:59 +0000
Processing by Page::PostsController#index as HTML
  Parameters: {"page_id"=>"xyz+2345"}
Completed 500 Internal Server Error in 83ms (ActiveRecord: 70.9ms)

ActionView::MissingTemplate (Missing template page/posts/index, application/index with {:locale=>[:en], :formats=>[:html], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby, :haml, :rjs]}. Searched in:
  * "/srv/crabgrass/app/views"
  * "/srv/crabgrass/extensions/pages/discussion_page/app/views"
  * "/srv/crabgrass/extensions/pages/asset_page/app/views"
  * "/srv/crabgrass/extensions/pages/survey_page/app/views"
  * "/srv/crabgrass/extensions/pages/rate_many_page/app/views"
  * "/srv/crabgrass/extensions/pages/gallery_page/app/views"
  * "/srv/crabgrass/extensions/pages/wiki_page/app/views"
  * "/srv/crabgrass/extensions/pages/task_list_page/app/views"
  * "/srv/crabgrass/extensions/pages/ranked_vote_page/app/views"
  * "/srv/crabgrass/extensions/pages/event_page/app/views"
):
  app/controllers/common/application/before_filters.rb:19:in `render_with_view_setup'