Warning: require_once(HTML/QuickForm.php): Failed to open stream: No such file or directory in /srv/www/htdocs/moodle/lib/pear/HTML/QuickForm/DHTMLRulesTableless.php on line 27

Fatal error: Uncaught Error: Failed opening required 'HTML/QuickForm.php' (include_path='.:/usr/share/php8:/usr/share/php/PEAR') in /srv/www/htdocs/moodle/lib/pear/HTML/QuickForm/DHTMLRulesTableless.php:27 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/pear/HTML/QuickForm/DHTMLRulesTableless.php on line 27