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I'm currently running 2.1.3 and utilizing Braintree processing at checkout. Currently, if a customer places an error with a bad credit card, wrong CVV number, or wrong address, they just get the error of

An error occurred on the server. Please try to place the order again.

What do I need to change in PaymentInformationManagement.php to override this and show the actual reason for decline? Such as card declined, cvv error, address error, etc.

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Magento place order flow provides only high-level errors, it allows to make an application more secure. So it's not a good idea to show specific errors for a customer.

According to Magento Braintree implementation, it based on Hosted Fields, so all card data validation, like card number, expiration dates, CVV processes on the payment form.

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  • So there's no way of showing the customer that the transaction isn't working because of card number, CVV, etc? Instead, they just see a generic message saying there was an error on the server, making them think it's the website, and not their card.
    – Eric Fox
    Feb 11, 2017 at 20:05
  • You can override default behavior but I don't recommend to do it. Also, I think it's a not particular case when a real card successfully validated on payment form but failed after authorization/sale transaction.
    – joni jones
    Feb 12, 2017 at 8:43

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