Trying to place an order and all of a sudden "an error occurred"?
Here are a few things you can check:
It is possible that your browser or your app is interfering with your purchase, so have a look at these articles (website/app) to learn some troubleshooting tips.
If you've checked all of the above and you still get this error message, contact your bank for further assistance.
You can also try one of these alternative payment options to complete your order.