PayPal Integration failing
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SetExpressCheckout API call failed.
Detailed Error Message: Security header is not valid
Short Error Message:
Error Severity Code: ErrorGetting this error message when clicking the book via paypal button on Pro Extended. I’ve put in API credentials. Do you have any idea how I can fix this?
Cheers,
Bryn
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Viewing 6 replies - 1 through 6 (of 6 total)
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