Fatal error: Uncaught Error: Class 'Namshi\JOSE\Signer\OpenSSL\ECDSA' not found in C:\xampp\htdocs\fiveplus\vendor\namshi\jose\src\Namshi\JOSE\Signer\OpenSSL\ES512.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\fiveplus\vendor\namshi\jose\src\Namshi\JOSE\Signer\OpenSSL\ES512.php on line 8