Fatal error: Uncaught Error: Class "core\output\pix_icon_font" not found in /srv/www/htdocs/moodle/lib/classes/output/pix_icon_fontawesome.php:27 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/classes/output/pix_icon_fontawesome.php on line 27