Fatal error: Uncaught Error: Class "Cose\Key\Key" not found in C:\WebServer\core\apache\htdocs\pma\vendor\web-auth\cose-lib\src\Key\Ec2Key.php:25 Stack trace: #0 {main} thrown in C:\WebServer\core\apache\htdocs\pma\vendor\web-auth\cose-lib\src\Key\Ec2Key.php on line 25