Fatal error: Uncaught Error: Interface "Psr\Http\Message\StreamInterface" not found in /srv/www/htdocs/moodle/lib/aws-sdk/src/Crypto/AesStreamInterface.php:6 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/aws-sdk/src/Crypto/AesStreamInterface.php on line 6