fix

app/controllers/admin/education/programs/role/people_controller.rb

-class Admin::Education::Programs::Roles::PeopleController < Admin::Education::Programs::ApplicationController
-  load_and_authorize_resource :role, class: University::Role, through: :program, param: :role_id, through_association: :university_roles
-  load_and_authorize_resource :involvement, class: University::Person::Involvement, through: :role, parent: false
-
-  include Admin::Reorderable
-
-  def destroy
-    @involvement.destroy
-    redirect_back fallback_location: admin_education_program_role_path(@role, { program_id: @program.id }), notice: t('admin.successfully_destroyed_html', model: @involvement.to_s)
-  end
-
-  protected
-
-  def model
-    University::Person::Involvement
-  end
-end