Fatal error: Uncaught Error: Class 'Http\Client\Exception\TransferException' not found in /var/www/html/ng-crm/yiiapp/vendor/php-http/client-common/src/Exception/BatchException.php:17 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/vendor/php-http/client-common/src/Exception/BatchException.php on line 17