Fatal error: Uncaught Error: Interface "Kreait\Firebase\Contract\Auth" not found in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/vendor/kreait/firebase-php/src/Firebase/Auth.php:62 Stack trace: #0 {main} thrown in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/vendor/kreait/firebase-php/src/Firebase/Auth.php on line 62