Fix #2512

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

@@ -16,7 +16,7 @@ class Admin::Education::Programs::ApplicationController < Admin::Education::Appl
     add_breadcrumb Education::Program.model_name.human(count: 2), admin_education_programs_path
     @program.ancestors_and_self.each do |program|
       add_breadcrumb program.to_s_in(current_language), admin_education_program_path(program)
-    end
+    end if @program.present?
   end
 
   def default_url_options