Fatal error: Uncaught Error: Interface 'Kreait\Firebase\Http\HasSubRequests' not found in /var/www/html/ng-crm/yiiapp/vendor/kreait/firebase-php/src/Firebase/Http/RequestWithSubRequests.php:24 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/vendor/kreait/firebase-php/src/Firebase/Http/RequestWithSubRequests.php on line 24