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• line 610 of /lib/pagelib.php: call to debugging()
• line 830 of /lib/pagelib.php: call to moodle_page->magic_get_url()
• line 1776 of /lib/questionlib.php: call to moodle_page->__get()
• line 4569 of /lib/navigationlib.php: call to question_extend_settings_navigation()
• line 4192 of /lib/navigationlib.php: call to settings_navigation->load_course_settings()
• line 769 of /lib/pagelib.php: call to settings_navigation->initialise()
• line 830 of /lib/pagelib.php: call to moodle_page->magic_get_settingsnav()
• line 135 of /blocks/settings/block_settings.php: call to moodle_page->__get()
• line 341 of /blocks/moodleblock.class.php: call to block_settings->get_content()
• line 235 of /blocks/moodleblock.class.php: call to block_base->formatted_contents()
• line 1181 of /lib/blocklib.php: call to block_base->get_content_for_output()
• line 1239 of /lib/blocklib.php: call to block_manager->create_block_contents()
• line 374 of /lib/blocklib.php: call to block_manager->ensure_content_created()
• line 3980 of /lib/outputrenderers.php: call to block_manager->region_has_content()
• line 28 of /theme/classic/layout/columns.php: call to core_renderer->blocks()
• line 1396 of /lib/outputrenderers.php: call to include()
• line 1326 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
• line 1950 of /lib/setuplib.php: call to core_renderer->header()
• line 64 of /mod/chat/view.php: call to bootstrap_renderer->__call()