This page did not call $PAGE->set_url(...). Using https://edu.vsu.ru/mod/page/view.php?id=96697&lang=de_old

• line 684 of /lib/pagelib.php: call to debugging()
• line 965 of /lib/pagelib.php: call to moodle_page->magic_get_url()
• line 172 of /lib/classes/output/language_menu.php: call to moodle_page->__get()
• line 1242 of /lib/classes/output/core_renderer.php: call to core\output\language_menu->export_for_single_select()
• line 3561 of /lib/classes/output/core_renderer.php: call to core\output\core_renderer->lang_menu()
• line 3512 of /lib/classes/output/core_renderer.php: call to core\output\core_renderer->render_custom_menu()
• line 219 of /lib/mustache/src/Mustache/Context.php: call to core\output\core_renderer->custom_menu()
• line 138 of /lib/mustache/src/Mustache/Context.php: call to Mustache_Context->findVariableInStack()
• line 41 of /var/cache/moodle/localcache/mustache/1777245123/classic/__Mustache_13e445627896a89af42e475d030a3baa.php: call to Mustache_Context->findDot()
• line 36 of /var/cache/moodle/localcache/mustache/1777245123/classic/__Mustache_5bb876490a6d5a710d4934829329f4ad.php: call to __Mustache_13e445627896a89af42e475d030a3baa->renderInternal()
• line 67 of /lib/mustache/src/Mustache/Template.php: call to __Mustache_5bb876490a6d5a710d4934829329f4ad->renderInternal()
• line 192 of /lib/classes/output/renderer_base.php: call to Mustache_Template->render()
• line 49 of /theme/classic/layout/columns.php: call to core\output\renderer_base->render_from_template()
• 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 2057 of /lib/weblib.php: call to core\output\bootstrap_renderer->__call()
• line 2505 of /lib/moodlelib.php: call to notice()
• line 2816 of /lib/moodlelib.php: call to require_login()
• line 50 of /mod/page/view.php: call to require_course_login()