[herber@wirehub.nl]

Originally Posted by aim

1)Add the code

define('PAYPAL_ADVANCED_DEBUG', 1);
define('PAYPAL_DEBUG', 1);

in your config.php

2)Analyze x-errors_paypal-<date>.php and x-errors_payments-<date>.php files

3)Remove the debug code

Thank you, it has been added. Will leave it in there for now and see if it catches any strange errors.

The error I posted is also in there, which is quite an empty error
[code]
Payment method: PayPal Pro: ExpressCheckout
bill_output = Array
(
[cvvmes] => not set /
[code] => 2
[billmes] => Declined Status: Error: (Code: , Severity: )
)
original_bill_output = Array
(
[cvvmes] => not set /

 => 2
        [billmes] => Declined Status:  Error:  (Code: , Severity: )
    )
    responses of https requests = Array
    (
        [01-01-1970 01:00:00 1442836674] => Array
            (
                [0] => 0
                [1] => 
            )
    
    )