• Using WooCommerce 3.0.5, Paypal plugin updated, Storefront theme. When I choose “Express Checkout” from the cart page, I get “10002 – Security header is not valid” after entering my customer info and clicking “Proceed to Paypal.”

    I enabled “Enable admin email notifications for errors.” and this is what I get:
    PayPal Express Checkout Error Notification
    PayPal SetExpressCheckout API call failed:Detailed Error Message:
    Short Error Message:
    Error Code:
    Error Severity Code:

    I’ve gone ahead and disabled express checkout, because I’ll lose sales…

    • This topic was modified 8 years, 11 months ago by sciroccojim.
Viewing 14 replies - 1 through 14 (of 14 total)
Viewing 14 replies - 1 through 14 (of 14 total)

The topic ‘Express not working’ is closed to new replies.