hi,

i've got this fail message when trying to charge the recurring fee in admin/store/orders/recurring: "Failed to capture recurring fee of * for product * on order *."

the first thing I noticed is that the $nvp_request is not right. I've found this

[ACCT] => 4333
[EXPDATE] =>
[CVV2] =>

when I buy a product, the paypal charged me successfully and I've written down the $nvp_request string, then make $nvp_request be

[ACCT] => 4079--------4333
[EXPDATE] => 052018
[CVV2] => 000

but with no luck, we got the fail message I mentioned before. how does this happen?
the $nvp_response is like this:

Array
(
[TIMESTAMP] => 2008-05-30T10:28:10Z
[CORRELATIONID] => c3a02178ef76d
[ACK] => Failure
[L_ERRORCODE0] => 10748
[L_SHORTMESSAGE0] => Invalid Data
[L_LONGMESSAGE0] => This transaction cannot be processed without a Credit Card Verification number.
[L_SEVERITYCODE0] => Error
[VERSION] => 3.000000
[BUILD] => 588340
)

I'm using credit card with the wpp gateway in sandbox way. Anyone encountered the same problem?