Fatal error: Uncaught Error: Interface "ILIAS\FileDelivery\Token\Signer\Algorithm\Algorithm" not found in /var/www/html/ilias/components/ILIAS/FileDelivery/src/Token/Signer/Algorithm/SHA256.php:26 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/FileDelivery/src/Token/Signer/Algorithm/SHA256.php on line 26