Dear store owner, An error occurred when attempting to initiate a PayPal Express Checkout transaction. As a courtesy, only the error "number" was shown to your customer. The details of the error are shown below.
10002 Security error Security header is not valid
Zen Cart message: We are sorry for the inconvenience. The PayPal account authentication settings are not yet set up, or the API security information is incorrect. We are unable to complete your transaction. Please notify the store owner so they can correct this problem.
Problem occurred while customer was attempting checkout with PayPal Express Checkout.
