Fatal error: Uncaught Error: Interface "Invoker\InvokerInterface" not found in /srv/www/htdocs/moodle/lib/php-di/invoker/src/Invoker.php:19 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/php-di/invoker/src/Invoker.php on line 19