"Class 'Pamenary\LaravelSms\Gateways\SoapClient' not found"

[Hamed]

vendor\pamenary\laravel-sms\src\Gateways\HostiranGateway.php line:58
Class 'Pamenary\LaravelSms\Gateways\SoapClient' not found

Chage it to:
$client = new \SoapClient($this->webService, $options);