I'm getting the following error after paypal payment

PayPal gateway has rejected request. A successful transaction has already been completed for this token (#10415: Transaction refused because of an invalid argument. See additional error messages for details).

Checkout: onepage

The error occurs only if the cart contains virtual product (services and downloadable). If I add a "physical" product all works fine. When I get the error, Paypal complete the payment but Magento did not create the order.

  • Looking for the answer, same problem. :( Not very often but still :( – Rob D. A. Jul 11 '17 at 12:16

I solved disabling HHVM cache on my server

  • what do you mean HHVM cacge?? – Sunil Patel Jun 16 '20 at 5:39

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