Success! Thanks again Mike.
It doesn't shed much light on the situation for me, though. When I create the error it happens right as I'm passed from the cart to x-payments where it brings up the input screen for the credit card info.
PHP Code:
[17-Feb-2015 04:28:55] PAYMENTS message:
Payment processing failure.
Login: *****
IP: ****
----
Payment method: Credit Card (X-Payments: Virtual Merchant - Merchant Provided Form)
bill_output = Array
(
[cvvmes] => not set /
[code] => 2
[billmes] => Internal error (Response is not valid.<br />Check logs.)
)
original_bill_output = Array
(
[cvvmes] => not set /
[code] => 2
[billmes] => Internal error (Response is not valid.<br />Check logs.)
)
Request URI: /payment/payment_cc.php
Backtrace:
/***/payment/payment_ccmid.php:460
/***/payment/payment_ccend.php:48
/***/payment/payment_cc.php:359