This page did not call $PAGE->set_url(...). Using https://e-learning.sch.gr/mod/chat/view.php?id=45842

• line 558 of /lib/pagelib.php: call to debugging()
• line 734 of /lib/pagelib.php: call to moodle_page->magic_get_url()
• line 1466 of /lib/questionlib.php: call to moodle_page->__get()
• line 3760 of /lib/navigationlib.php: call to question_extend_settings_navigation()
• line 3355 of /lib/navigationlib.php: call to settings_navigation->load_course_settings()
• line 717 of /lib/pagelib.php: call to settings_navigation->initialise()
• line 734 of /lib/pagelib.php: call to moodle_page->magic_get_settingsnav()
• line 136 of /blocks/settings/block_settings.php: call to moodle_page->__get()
• line 296 of /blocks/moodleblock.class.php: call to block_settings->get_content()
• line 238 of /blocks/moodleblock.class.php: call to block_base->formatted_contents()
• line 993 of /lib/blocklib.php: call to block_base->get_content_for_output()
• line 1045 of /lib/blocklib.php: call to block_manager->create_block_contents()
• line 361 of /lib/outputrenderers.php: call to block_manager->ensure_content_created()
• line 45 of /theme/clean/layout/columns3.php: call to core_renderer->standard_head_html()
• line 870 of /lib/outputrenderers.php: call to include()
• line 800 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
• line ? of unknownfile: call to core_renderer->header()
• line 1644 of /lib/setuplib.php: call to call_user_func_array()
• line 65 of /mod/chat/view.php: call to bootstrap_renderer->__call()
• line 65 of /mod/chat/view.php: call to bootstrap_renderer->header()