My new website http://www.amazingaccessories.co.uk I have set up PayPal Express and I have put all the API details in but I cannot seem to get it to work when I go through checkout.
The message I get is
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. (10002)
Any advice.
Alex
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