String [summaryof,core] is deprecated. Either you should no longer be using that string, or the string has been incorrectly deprecated, in which case you should report this as a bug. Please refer to https://moodledev.io/general/projects/api/string-deprecation

• line 395 of /lib/classes/string_manager_standard.php: call to debugging()
• line 7000 of /lib/moodlelib.php: call to core_string_manager_standard->get_string()
• line 58 of /course/info.php: call to get_string()

Navigation node intersect: Adding a node that already exists 6

• line 1089 of /lib/navigationlib.php: call to debugging()
• line 413 of /lib/navigationlib.php: call to navigation_node_collection->add()
• line 389 of /lib/navigationlib.php: call to navigation_node->add_node()
• line 90 of /local/navigation/lib.php: call to navigation_node->add()
• line 37 of /local/navigation/lib.php: call to navigation_custom_menu_item()
• line 1697 of /lib/navigationlib.php: call to local_navigation_extend_navigation()
• line 1661 of /lib/navigationlib.php: call to global_navigation->load_local_plugin_navigation()
• line 4488 of /lib/navigationlib.php: call to global_navigation->initialise()
• line 842 of /lib/pagelib.php: call to settings_navigation->__construct()
• line 965 of /lib/pagelib.php: call to moodle_page->magic_get_settingsnav()
• line 1124 of /lib/classes/navigation/views/secondary.php: call to moodle_page->__get()
• line 216 of /lib/classes/navigation/views/secondary.php: call to core\navigation\views\secondary->load_single_activity_course_navigation()
• line 893 of /lib/pagelib.php: call to core\navigation\views\secondary->initialise()
• line 965 of /lib/pagelib.php: call to moodle_page->magic_get_secondarynav()
• line 107 of /theme/remui/layout/common.php: call to moodle_page->__get()
• line 33 of /theme/remui/layout/incourse.php: call to require_once()
• line 972 of /lib/classes/output/core_renderer.php: call to include()
• line 888 of /lib/classes/output/core_renderer.php: call to core\output\core_renderer->render_page_layout()
• line ? of unknownfile: call to core\output\core_renderer->header()
• line 109 of /lib/classes/output/bootstrap_renderer.php: call to call_user_func_array()
• line 62 of /course/info.php: call to core\output\bootstrap_renderer->__call()