Fatal error: Uncaught Error: Class "core\output\requirements\page_requirements_manager" not found in /srv/www/htdocs/moodle/lib/classes/output/requirements/fragment_requirements_manager.php:32 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/classes/output/requirements/fragment_requirements_manager.php on line 32