Fatal error: Uncaught Error: Interface "Aws\Auth\AuthSchemeResolverInterface" not found in /srv/www/htdocs/moodle/lib/aws-sdk/src/Auth/AuthSchemeResolver.php:14 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/aws-sdk/src/Auth/AuthSchemeResolver.php on line 14