Fatal error: Uncaught Error: Interface "Cose\Algorithm\Signature\Signature" not found in C:\xampp\htdocs\bilipoa\vendor\web-auth\cose-lib\src\Algorithm\Signature\EdDSA\EdDSA.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bilipoa\vendor\web-auth\cose-lib\src\Algorithm\Signature\EdDSA\EdDSA.php on line 19