Navigation node add_before: Reference node not found participants, options: 1 2 7 13 home calendar
- line 962 of /lib/navigationlib.php: call to debugging()
- line 4096 of /lib/navigationlib.php: call to navigation_node_collection->add()
- line 400 of /theme/moove/lib.php: call to flat_navigation->add()
- line 282 of /theme/moove/lib.php: call to theme_moove_add_coursesections_to_navigation()
- line 73 of /theme/moove/layout/course.php: call to theme_moove_extend_flat_navigation()
- line 1374 of /lib/outputrenderers.php: call to include()
- line 1304 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
- line 244 of /course/view.php: call to core_renderer->header()
