provided by Star2Billing S.L.

I am getting this error when someone make a payment via paypal. can someone shed some light on that problem.
[29/11/2008 13:58:21]:[checkout_process.php line:8-transactionID=63 ----EPAYMENT TRANSACTION START (ID)----]
[29/11/2008 13:58:21]:[checkout_process.php line:9-transactionKey=500890b139e2f5356b40a68f7413b562 ----EPAYMENT TRANSACTION KEY----]
[29/11/2008 13:58:21]:[checkout_process.php line:50- QUERY = UPDATE cc_epayment_log SET status = 2 WHERE id = 63]
[29/11/2008 13:58:21]:[checkout_process.php line:61- transactionID=63 EPAYMENT RESPONSE: TRANSACTIONID = 63 FROM paypal; FOR CUSTOMER ID 39; OF AMOUNT 20]
[29/11/2008 13:58:21]:[checkout_process.php line:80-OPENDING HTTP CONNECTION TO www.paypal.com]
[29/11/2008 13:58:21]:[checkout_process.php line:112-PAYPAL Transaction Verification Status: Failed ]
[29/11/2008 13:58:21]:[checkout_process.php line:173-EMAIL SENT: SENT A WARNING EMAIL TO ADMINISTRATOR FOR EPAYMENT VERIFICATION FAILURE]


thanks