Fatal error: Uncaught Error: Class 'Lcobucci\JWT\Signer\OpenSSL' not found in C:\xampp\htdocs\kit\vendor\lcobucci\jwt\src\Signer\UnsafeRsa.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\kit\vendor\lcobucci\jwt\src\Signer\UnsafeRsa.php on line 9