Setup Go to "site administration -> plugins -> activity plugins" and enable the Subplugin activity. Create a course C1 with the following course section structure: Section 1 Empty subsection Another subsection Section 2 Subsection 1 Section 3 Test of the hierarchy Set the theme to classic and access the course ad admin Click the "Section 2" name to go to the section page Open the topic selector at the bottom navigation bar Ensure that you can see the course structure in order Ensure that you can see the current "Section 2" in disabled mode (not clickable) Test of the url_select template Go to Site Administration > Template library Search for notification Ensure that the core/url_select example has: Group 1 > Item 1 disabled Group 4 disabled