Fatal error: Uncaught Error: Class 'Lcobucci\JWT\Signer\OpenSSL' not found in /opt/lampp/htdocs/kuesioner/vendor/lcobucci/jwt/src/Signer/Ecdsa.php:20 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/lcobucci/jwt/src/Signer/Ecdsa.php on line 20