When clicking on the Checkout with Paypal button, has anyone ever received the following message;
This transaction has expired. Please return to the recipient's website to complete your transaction using their regular checkout flow.
Your session has ended
We're sorry, but your session has ended. Your account hasn't been charged. Please go back to the merchant's site and check out again with PayPal.
I've been receiving this message for weeks, and don't know why.
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