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Error in Checkout

  • Hey I am testing my website’s checkout system with a test product. I am excluding tax for it just to avoid confusion. I enter all the pseudo-info (shipping info etc.) and when I click the ‘make purchase’ button I get the following error:

    SetExpressCheckout API call failed. Detailed Error Message: Security header is not validShort Error Message: Security errorError Code: 10002Error Severity Code: Error

    Any help would be MUCH appreciated.

Viewing 9 replies - 1 through 9 (of 9 total)
Viewing 9 replies - 1 through 9 (of 9 total)
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