Fatal error: Uncaught Error: Interface 'Http\Promise\Promise' not found in /var/www/html/ng-crm/yiiapp/vendor/php-http/client-common/src/Deferred.php:14 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/vendor/php-http/client-common/src/Deferred.php on line 14