Fatal error: Uncaught Error: Class "Cose\Algorithm\Signature\RSA\RSA" not found in C:\xampp\htdocs\bilipoa\vendor\web-auth\cose-lib\src\Algorithm\Signature\RSA\RS1.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bilipoa\vendor\web-auth\cose-lib\src\Algorithm\Signature\RSA\RS1.php on line 9