protected function GetErrorCodesFromResponse()
    {
        $SReturnMessage = false;
        if ($this->bIsCorrectIPaymentType()) {
            $oGlobal = TGlobal::instance();
            $SReturnState = $oGlobal->GetUserData('ret_status');
            if ('ERROR' == $SReturnState) {
                $SReturnMessage = $oGlobal->GetUserData('ret_errormsg');
                $SReturnMessage = utf8_encode($SReturnMessage);
            }
        }

        return $SReturnMessage;
    }