PayPal payment issue

  • Hi all,

    I have WooCommerce set-up and I am trying to get credit card payments to work via PayPal

    I have enabled “PayPal credit card” and submitted the correct API credentials.

    However at checkout the following errors appears after entering credit card details and clicking “submit”

    “Security header is not valid
    (Transaction error) something is wrong”

    Does anyone know what the problem might be????

    Thanks

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