Fatal error: Uncaught Error: Interface "Lcobucci\JWT\Signer" not found in /home/instituto/public_html/sapc/laravel/vendor/lcobucci/jwt/src/Signer/BaseSigner.php:19 Stack trace: #0 {main} thrown in /home/instituto/public_html/sapc/laravel/vendor/lcobucci/jwt/src/Signer/BaseSigner.php on line 19