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medicyanAsked on April 9, 2019 at 7:17 PM
We are getting a message PCI :: Security error
Security header is not valid
What the cause for this?
Thanks -
jherwinReplied on April 9, 2019 at 8:58 PM
This usually means that your API credentials are not enabled to receive PayPal Pro payments. Please email PayPal support and confirm if your account is enabled for PayPal Pro payments.