Several Issues Found…

1. Logs are 1 hour wrong although our server time is correct.
2. Rearranging the order of the checkout payment methods only moves the PayPal option. The card option remains at the bottom of the list so we’ve moved this manually. I believe the next release may fix this.
3. There’s no obvious way for a customer to remove their vaulted card details.
4. When a customer presses a payment option that either fails or they back out from (i.e. PayPal) the order is created on the site but is set to “Pending payment”. If the customer then tries to pay by card the checkout shows various error messages because I think it thinks a duplicate order number is being used (this doesn’t seem to happen on PayPal). Sometimes the payment goes through but doesn’t link to the order and other times it just fails.
5. I also saw an instance where the checkout said the card was wrong but the card payment went through and the order completed successfully.
6. When the plugin is set to only authorise the payment there’s still the option in the order to issue a refund. This fails with “error in the Payment Gateway API”. Rather than a refund option there should be a way to void the authorisation without logging into PayPal. I know there’s a thread discussing this.
7. When payments go through there’s no information available to say whether the card matched the shipping address, the PayPal payment is eligible for seller protection, etc. This info was available with our old plugin but I know have to log into PayPal to check payments.
This is what my old plugin showed me: PayPal Pro payment failed (Correlation ID: xxxxxxxxxxxx). Payment was rejected due to an error: (15005) “This transaction cannot be processed.” Order status changed from Pending payment to Failed.

8. In the logs when I’m testing all I’m seeing is:

2021-06-16T09:42:39+00:00 WARNING No token stored for customer 0.
2021-06-16T09:06:15+00:00 WARNING No token stored for customer 875.
2021-06-16T09:51:49+00:00 WARNING No token stored for customer 876.
2021-06-16T10:29:37+00:00 WARNING Failed to create order. PayPal API response: [UNPROCESSABLE_ENTITY] The requested action could not be performed, semantically incorrect, or failed business validation. https://developer.paypal.com/docs/api/orders/v2/#error-DUPLICATE_INVOICE_ID
2021-06-16T10:37:05+00:00 WARNING Failed to authorize order. PayPal API response: [UNPROCESSABLE_ENTITY] The requested action could not be performed, semantically incorrect, or failed business validation. https://developer.paypal.com/docs/api/orders/v2/#error-DUPLICATE_INVOICE_ID
2021-06-16T10:42:58+00:00 WARNING Failed to authorize order. PayPal API response: [UNPROCESSABLE_ENTITY] The requested action could not be performed, semantically incorrect, or failed business validation. https://developer.paypal.com/docs/api/orders/v2/#error-DUPLICATE_INVOICE_ID.

These errors go away once I delete the “Pending payment” order and try again to pay by card.

Customer 875 and 876 are a couple of test accounts we use.

I have no idea what “customer 0” is but there are loads of those in the logs.