Error: duplicate invoice ID supplied

  • Resolved Sergio Milardovich

    (@milardovich)


    4 years, 6 months ago

    Customer can’t complete orders, and in the backend in the order I get this error message:

    Paypal Credit Card Payment Failed with message: ‘The transaction was refused as a result of a duplicate invoice ID supplied. Attempt with a new invoice ID’

    This only happens a couple of times per day, totally random. I saw that other PayPal plugins are having the same issue:
    https://ww.wp.xz.cn/support/topic/error-duplicate-invoice-id-supplied/

    Maybe something changed in the API? What should I do?

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