src/Easy/EasyForm.php
public function processDataObjError($errCode = 0)
    {
        $errorMsg = $this->getDataObj()->getErrorMessage();
        Openbizx::$app->getLog()->log(LOG_ERR, "DATAOBJ", "DataObj error = " . $errorMsg);
        Openbizx::$app->getClientProxy()->showErrorMessage($errorMsg);
    }
public function processDataObjError($errCode = 0)
    {
        $errorMsg = $this->getDataObj()->getErrorMessage();
        Openbizx::$app->getLog()->log(LOG_ERR, "DATAOBJ", "DataObj error = " . $errorMsg);
        Openbizx::$app->getClientProxy()->showErrorMessage($errorMsg);
    }
Handle the error from {@link BizDataObj::getErrorMessage} method,
report the error as an alert window and log.

@param int $errCode
@return void