Navigation node add_before: Reference node not found participants, options: 15000 15001 15002 home calendar
- line 962 of \lib\navigationlib.php: call to debugging()
- line 4097 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 1379 of \lib\outputrenderers.php: call to include()
- line 1309 of \lib\outputrenderers.php: call to core_renderer->render_page_layout()
- line 244 of \course\view.php: call to core_renderer->header()