fix teachers

app/controllers/admin/education/programs/teachers_controller.rb

+class Admin::Education::Programs::TeachersController < Admin::Education::Programs::ApplicationController
+  load_and_authorize_resource :involvement,
+                              class: University::Person::Involvement,
+                              through: :program,
+                              through_association: :university_person_involvements,
+                              parent: false
+
+  def destroy
+    @involvement.destroy
+    redirect_back fallback_location: admin_education_program_path(@program), notice: t('admin.successfully_quit_html', model: @involvement.to_s_in(current_language), target: @involvement.target.to_s_in(current_language))
+  end
+
+end
\ No newline at end of file

config/routes/admin/education.rb

@@ -15,6 +15,7 @@ namespace :education do
         post :reorder
       end
     end
+    resources :teachers, controller: 'programs/teachers', only: :destroy
     collection do
       get :tree
       post :reorder