Fatal error: Uncaught Error: Interface "Mustache_Exception" not found in /srv/www/htdocs/moodle/lib/mustache/src/Mustache/Exception/InvalidArgumentException.php:15 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/mustache/src/Mustache/Exception/InvalidArgumentException.php on line 15