Fatal error: Uncaught Error: Class "OCP\Encryption\Exceptions\GenericEncryptionException" not found in /var/www/html/nextcloud/apps/encryption/lib/Exceptions/PrivateKeyMissingException.php:12 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/encryption/lib/Exceptions/PrivateKeyMissingException.php on line 12