ACSYNCSTATUS not synced

[premkumarbsetec]

magento v 2.3
active campaign v 2.0.1
customer synchronization after cannot be updated customer_grid_flat table customer ac_sync_status

not working (vendor/activecampaign/module-integration/customer/model/customer.php)
public function saveResult($customerId, $syncStatus, $contactId, $ecomCustomerId)
{
$customerModel = $this->customerFactory->create();
if ($customerId) {
$this->customerResource->load($customerModel, $customerId);
}

    $customerModel->setAcSyncStatus($syncStatus);
    if ($contactId) {
        $customerModel->setAcContactId($contactId);
    }
    if ($ecomCustomerId) {
        $customerModel->setAcCustomerId($ecomCustomerId);
    }

    $this->customerResource->save($customerModel);
    }