Fatal error: Uncaught Error: Class "Lcobucci\JWT\Signer\UnsafeEcdsa" not found in C:\xampp\htdocs\vendor\lcobucci\jwt\src\Signer\Ecdsa\UnsafeSha256.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\lcobucci\jwt\src\Signer\Ecdsa\UnsafeSha256.php on line 11