I am trying to add a $20 payment to a bill. This is from the sample Quickbooks file. However i am getting the error `Object \"3E42-1071498278\" specified in the request cannot be found. "` Any ideas. I have tried multiple things. I have indeed checked that the bill exists. I have included below the generated qbxml from the sdk. I am using version 13 of the sdk and QB version 14. Changing the date has no bearing on the error response

```
<?xml version="1.0" encoding="utf-8"?>
<?qbxml version="13.0"?>
<QBXML>
    <QBXMLMsgsRq onError = "continueOnError">
        <BillPaymentCheckAddRq requestID = "0">
            <BillPaymentCheckAdd>
                <PayeeEntityRef>
                    <FullName>Sergeant Insurance</FullName>
                </PayeeEntityRef>
                <APAccountRef>
                    <FullName>Accounts Payable</FullName>
                </APAccountRef>
                <TxnDate>2017-01-21</TxnDate>
                <BankAccountRef>
                    <ListID>20000-933270541</ListID>
                    <FullName>Checking</FullName>
                </BankAccountRef>
                <RefNumber>11000</RefNumber>
                <Memo>786-35 Sample</Memo>
                <ExchangeRate>1.000000</ExchangeRate>
                <AppliedToTxnAdd>
                    <TxnID>3E42-1071498278</TxnID>
                    <PaymentAmount>20.00</PaymentAmount>
                </AppliedToTxnAdd>
            </BillPaymentCheckAdd>
        </BillPaymentCheckAddRq>
    </QBXMLMsgsRq>
</QBXML>

```