fix

app/controllers/admin/education/programs_controller.rb

@@ -84,7 +84,7 @@ class Admin::Education::ProgramsController < Admin::Education::ApplicationContro
     params.require(:education_program).permit(
       :name, :slug, :level, :capacity, :ects, :continuing, :description, :published,
       :featured_image, :featured_image_delete, :featured_image_infos, :featured_image_alt,
-      :prerequisites, :objectives, :duration, :registration, :pedagogy,
+      :prerequisites, :objectives, :duration, :registration, :pedagogy, :content,
       :evaluation, :accessibility, :pricing, :contacts, :opportunities, :other,
       :parent_id, school_ids: [], university_person_involvements_attributes: [:id, :person_id, :description, :position, :_destroy]
     )