Paypal IPN information

12 years 9 months ago #295 by Sandra
How do I stop the “This invoice has already been paid.” error while trying to configure Paypal WebSite Payments Standard?

error being:
“This invoice has already been paid. For more information, please contact the merchant” when directing to complete the transaction via PayPal Standard.

After talking to PayPal support, all you need to do is update a preference within your PayPal account as follows:

Log into your PayPal Account (standard) -> Profile -> Payment Receiving Preferences -> Under Block accidental payments: select “No, allow multiple payments per invoice ID”

Hope this helps anyone who runs into the same problem…

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