We are experiencing a problem with the checkout system - when customers click on the 'place order' button then all that happens is that there is an error screen which reads:
'An error occurred during processing.
Details about this error are available at the number below in the log file on the server.
(or PayPalExpressFailed:4F6B3044-B5C7-BF6A-1F7F-C0A8190CBEED or
This error happens regardless of whether we use paypal express or paypal standard.
However the system appears to work fine if they click on the 'checkout with paypal' icon rather than going through the epages checkout. Similarly if we use the 'test connection' in the payment settings then it says that the connection was successfully established.l