Fatal error: Uncaught Error: Interface "Kreait\Firebase\Contract\Messaging" not found in /var/www/html/casavio-qa.das24.it/releases/16/vendor/kreait/firebase-php/src/Firebase/Messaging.php:37 Stack trace: #0 {main} thrown in /var/www/html/casavio-qa.das24.it/releases/16/vendor/kreait/firebase-php/src/Firebase/Messaging.php on line 37