Fatal error: Uncaught Error: Class "lbuchs\WebAuthn\Attestation\Format\FormatBase" not found in C:\Server\xampp\htdocs\vendor\lbuchs\webauthn\src\Attestation\Format\U2f.php:9 Stack trace: #0 {main} thrown in C:\Server\xampp\htdocs\vendor\lbuchs\webauthn\src\Attestation\Format\U2f.php on line 9