Fatal error: Uncaught Error: Interface 'Lcobucci\JWT\Signer' not found in /home/wwiwil/apps/iwill-laravel/vendor/lcobucci/jwt/src/Signer/OpenSSL.php:28 Stack trace: #0 {main} thrown in /home/wwiwil/apps/iwill-laravel/vendor/lcobucci/jwt/src/Signer/OpenSSL.php on line 28