PayPal - this invoice has already been paid

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12 年 前
Do we know why we are getting from time to time this message when you using SANDBOX PAYPAL ??
What makes PayPal believe that that specific transaction has already been handled?
12 年 前
I think it's order number (1,2,3,...)

https://www.nopcommerce.com/boards/t/8455/restarting-order-id.aspx
This topic was automatically closed 365 days after the last reply. New replies are no longer allowed.