Offset 'FIDO2PasswordlessAu…' does not exist on array{FIDO2AuthSuccessful: mixed, FIDO2WantsRegister: bool}.

Non-abstract class class@anonymous/Controller/PushbackUserPass.php:97 contains abstract method login() from class SimpleSAML\Module\core\Auth\UserPassBase.

Method SimpleSAML\Module\webauthn\Controller\PushbackUserPass::main() should return SimpleSAML\HTTP\RunnableResponse|Symfony\Component\HttpFoundation\RedirectResponse but return statement is missing.

Constructor of class SimpleSAML\Module\webauthn\Store has an unused parameter $config.

Method SimpleSAML\Module\webauthn\WebAuthn\AAGUID::__construct() with return type void returns null but should not return anything.

Static property SimpleSAML\Module\webauthn\WebAuthn\AAGUID::$instance (static(SimpleSAML\Module\webauthn\WebAuthn\AAGUID)) does not accept SimpleSAML\Module\webauthn\WebAuthn\AAGUID.

Method SimpleSAML\Module\webauthn\WebAuthn\AAGUID::getInstance() should return static(SimpleSAML\Module\webauthn\WebAuthn\AAGUID) but returns SimpleSAML\Module\webauthn\WebAuthn\AAGUID.

Call to an undefined method CBOR\CBORObject::normalize().

Part $attestationData (array) of encapsed string cannot be cast to string.