Fatal error: Uncaught Error: Interface "Lcobucci\JWT\Signer" not found in /opt/lampp/htdocs/myhospitalnow/mhn-contact-ms/vendor/lcobucci/jwt/src/Signer/Blake2b.php:12 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-contact-ms/vendor/lcobucci/jwt/src/Signer/Blake2b.php on line 12