Fatal error: Uncaught Error: Interface "GeoIp2\ProviderInterface" not found in /srv/www/htdocs/moodle/lib/maxmind/GeoIp2/WebService/Client.php:49 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/maxmind/GeoIp2/WebService/Client.php on line 49