Error when editing posts (with JavaScript disabled)

Started GET "/pages/multi-section-wiki+240/posts/7/edit" for ::1 at 2018-10-18 10:15:49 +0200
Processing by Page::PostsController#edit as HTML
  Parameters: {"page_id"=>"multi-section-wiki+240", "id"=>"7"}
  Page Load (0.2ms)  SELECT  `pages`.* FROM `pages` WHERE `pages`.`id` = 240 LIMIT 1
  Discussion Load (0.2ms)  SELECT  `discussions`.* FROM `discussions` WHERE `discussions`.`page_id` = 240 LIMIT 1
  Post Load (0.2ms)  SELECT  `posts`.* FROM `posts` WHERE `posts`.`discussion_id` = 23 AND `posts`.`id` = 7  ORDER BY posts.created_at LIMIT 1
  Discussion Load (0.1ms)  SELECT `discussions`.* FROM `discussions` WHERE `discussions`.`id` IN (23)
  User Load (0.2ms)  SELECT  `users`.* FROM `users` WHERE `users`.`id` = 3 LIMIT 1
Completed 500 Internal Server Error in 17ms (ActiveRecord: 0.9ms)

ActionView::MissingTemplate (Missing template common/posts/edit with {:locale=>[:en], :formats=>[:html], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby, :haml, :rjs]}. Searched in:
  * "/home/dora/Dev/crabgrass_project/crabgrass/app/views"
  * "/home/dora/Dev/crabgrass_project/crabgrass/extensions/pages/ranked_vote_page/app/views"
  * "/home/dora/Dev/crabgrass_project/crabgrass/extensions/pages/survey_page/app/views"
  * "/home/dora/Dev/crabgrass_project/crabgrass/extensions/pages/asset_page/app/views"
  * "/home/dora/Dev/crabgrass_project/crabgrass/extensions/pages/task_list_page/app/views"
  * "/home/dora/Dev/crabgrass_project/crabgrass/extensions/pages/gallery_page/app/views"
  * "/home/dora/Dev/crabgrass_project/crabgrass/extensions/pages/discussion_page/app/views"
  * "/home/dora/Dev/crabgrass_project/crabgrass/extensions/pages/wiki_page/app/views"
  * "/home/dora/Dev/crabgrass_project/crabgrass/extensions/pages/rate_many_page/app/views"
):
  app/controllers/common/application/before_filters.rb:6:in `render'
  app/controllers/common/posts.rb:15:in `edit'