Fatal error: Uncaught Error: Interface "Kreait\Firebase\JWT\Action\CreateCustomToken\Handler" not found in /var/www/html/firePhpSdk/vendor/kreait/firebase-tokens/src/JWT/Action/CreateCustomToken/WithLcobucciV3JWT.php:18 Stack trace: #0 {main} thrown in /var/www/html/firePhpSdk/vendor/kreait/firebase-tokens/src/JWT/Action/CreateCustomToken/WithLcobucciV3JWT.php on line 18