错误#520009-帐户受到限制

我得到一个520009错误（帐户xx@xx.com被限制）。我的代码使用沙箱运行得很好，但我切换到实时端点，它开始失败。有问题的账户是一个有效的贝宝账户，我正在使用"feespayer=SENDER"。我是不是错过了什么？即使收款人是一个基本账户，也不应该通过支付电话吗？为什么会发生这种情况？

这是我的代码供参考

function deposit($config) {
    try {
        if (isset($config['return_url']))
            $this->return_url = $config['return_url'];
        else
            return 'Return URL should be set';
        if (isset($config['return_url']))
            $this->cancel_url = $config['cancel_url'];
        else
            return 'Cancel URL should be set';
        if (isset($config['email']))
            $this->sender_email = $config['email'];
        else
            return 'Email should be defined';
        if (isset($config['amount']))
            $this->amount = $config['amount'];
        else
            return 'Amount should be defined';
        $returnURL = $this->return_url;
        $cancelURL = $this->cancel_url;
        $currencyCode = 'USD';
        $memo = 'Deposit to ' . $this->ci->config->item('site_name');
        $feesPayer = 'SENDER';

        $payRequest = new PayRequest();
        $payRequest->actionType = "PAY";
        $payRequest->cancelUrl = $cancelURL;
        $payRequest->returnUrl = $returnURL;
        $payRequest->clientDetails = new ClientDetailsType();
        $payRequest->clientDetails->applicationId = $this->ci->config->item('application_id');
        $payRequest->clientDetails->deviceId = $this->ci->config->item('device_id');
        $payRequest->clientDetails->ipAddress = $this->ci->input->ip_address();
        $payRequest->currencyCode = $currencyCode;
        //$payRequest->senderEmail = $this->sender_email;
        $payRequest->requestEnvelope = new RequestEnvelope();
        $payRequest->requestEnvelope->errorLanguage = "en_US";
        $receivers = array();
        $receiver = new receiver();
        $receiver->email = $this->ci->config->item('moneyfan_account');
        $receiver->amount = $this->amount;
        $receiver->primary = 'false';
        $receivers[] = $receiver;
        $payRequest->receiverList = $receivers;
        $payRequest->feesPayer = $feesPayer;
        $payRequest->memo = $memo;
        $ap = new AdaptivePayments();
        $response = $ap->Pay($payRequest);            
        if (strtoupper($ap->isSuccess) == 'FAILURE') {

            $this->ci->session->set_userdata('FAULTMSG', $ap->getLastError());
            return json_encode(array('status' => 'false', 'msg' => $ap->getLastError()->error->errorId .' : '. $ap->getLastError()->error->message));
            //redirect(site_url('home/api_error'));
        } else {
            $this->ci->session->set_userdata('payKey', $response->payKey);
            if ($response->paymentExecStatus == "COMPLETED") {
                redirect($returnURL);
            } else {
                $token = $response->payKey;
                $payPalURL = PAYPAL_REDIRECT_URL . '_ap-payment&paykey=' . $token;
                return json_encode(array('status' => 'true', 'msg' => $payPalURL));
                //header("Location: " . $payPalURL);
            }
        }
    } catch (Exception $ex) {
        $fault = new FaultMessage();
        $errorData = new ErrorData();
        $errorData->errorId = $ex->getFile();
        $errorData->message = $ex->getMessage();
        $fault->error = $errorData;
        $this->ci->session->set_userdata('FAULTMSG', $fault);
        redirect(site_url('home/api_error'));
    }
}