Fatal error: Uncaught Error: Class "Aws\Crypto\MaterialsProviderV2" not found in /srv/www/htdocs/moodle/lib/aws-sdk/src/Crypto/KmsMaterialsProviderV2.php:12 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/aws-sdk/src/Crypto/KmsMaterialsProviderV2.php on line 12