ALERT: PayPal Direct Payment Error (0 <!-- Approved -->)

[fergusmacdonald]

I've received this error a couple of times. The customer is redirected back to stage 2 of the checkout process, but payment goes through.

The subject of the email alert:
ALERT: PayPal Direct Payment Error (0 <!-- Approved -->)

The body of the email alert:

0 -

The error log generated (personal information removed):

2008-10-17 05:03:08
-------------------
(live transaction) --> https://payflowpro.verisign.com/transaction
Request Headers: 
Array
(
    [0] => Content-Type: text/namevalue
    [1] => X-VPS-Timeout: 45
    [2] => X-VPS-VIT-Client-Type: PHP/cURL
    [3] => X-VPS-VIT-Integration-Product: PHP::Zen Cart - Payflow Pro
    [4] => X-VPS-VIT-Integration-Version: 1.3.8a
)


Request Parameters: {DoDirectPayment} 
Array
(
    [ACCT] => ************6106
    [AMT] => 38.13
    [BUTTONSOURCE] => ZenCart-DP_uk
    [CARDISSUE] => 
    [CITY] => xxxx
    [COUNTRY] => US
    [CURRENCY] => GBP
    [CVV2] => ***
    [EMAIL] => xxxx
    [EXPDATE] => xxxx
    [IPADDRESS] => xxxx
    [NAME] => xxxx
    [PHONENUM] => xxxx
    [STATE] => xxxx
    [STREET] => xxxx
    [TENDER] => C
    [TRXTYPE] => S
    [VERBOSITY] => MEDIUM
    [ZIP] => 30904
    [REQUEST_ID] => 1224262985
    [USER] => xxxx
    [PWD] => xxxx
    [PARTNER] => xxxx
    [VENDOR] => xxxx
)


Response: 
Array
(
    [RESULT] => 0
    [PNREF] => EQEP2F0DFCF5
    [RESPMSG] => Approved
    [AUTHCODE] => 111111
    [AVSADDR] => X
    [AVSZIP] => X
    [CVV2MATCH] => Y
    [PPREF] => 12113813RC956000Y
    [CORRELATIONID] => d3e6651d2f4a9
    [PROCAVS] => G
    [PROCCVV2] => M
    [IAVS] => N
    [REQUEST_ID] => 1224262985
    [CURL_ERRORS] => 
)


DoDirectPayment, Elapsed: 3116ms -- Succeeded 

Does anyone know why this error is being generated? I was thinking perhaps it timed out, then approved?

Any help would be much appreciated, or please let me know if you need more information.

Thanks.