exception 'Exception' with message 'client-check-error:Missing Required Arguments:mertCode' in /home/linktech/web/linktech/front/suning/suning-sdk-php-standard-20170720/RequestCheckUtil.php:17 Stack trace: #0 /home/linktech/web/linktech/front/suning/suning-sdk-php-standard-20170720/request/netalliance/StorepromotionurlQueryRequest.php(63): RequestCheckUtil::checkNotNull('', 'mertCode') #1 /home/linktech/web/linktech/front/suning/suning-sdk-php-standard-20170720/DefaultSuningClient.php(149): StorepromotionurlQueryRequest->check() #2 /home/linktech/web/linktech/front/suning/new_ltfront/suning_interface_20170720.php(36): DefaultSuningClient->execute(Object(StorepromotionurlQueryRequest)) #3 /home/linktech/web/linktech/front/suning/ltfront_0720.php(25): merchant_suning__get_target_url('', '152058864') #4 /home/linktech/web/linktech/click/index.htm(567): include('/home/linktech/...') #5 {main}