Fatal error: Uncaught Error: Interface "Mustache_Loader" not found in /srv/www/htdocs/moodle/lib/mustache/src/Mustache/Loader/StringLoader.php:26 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/mustache/src/Mustache/Loader/StringLoader.php on line 26