Hi, Using wordpress. Store didn't get any sales yet. After I set up API credentials etc, I get the below error when trying to make a purchase: PayPal error (11812): An error (11812) occurred while processing your PayPal payment. Please contact the store owner for assistance. PayPal error (10437): An error (10437) occurred while processing your PayPal payment. Please contact the store owner for assistance. Please help
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