Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\DenormalizerInterface" not found in /var/www/html/drupal/vendor/web-auth/webauthn-lib/src/Denormalizer/AttestationStatementDenormalizer.php:11 Stack trace: #0 {main} thrown in /var/www/html/drupal/vendor/web-auth/webauthn-lib/src/Denormalizer/AttestationStatementDenormalizer.php on line 11