Originally Posted by
ianhg
Hi, I am having some strange happenings on a site using PayPal express checkout and PayPal Web Payments Pro.When you go through the checkout process on page 3 of 5 Payment page depending on the browser you get an ajax warning "An unknown response 'null null' was received while processing an ajax call. The action you requested could not be completed" It does not stop the process as you can continue. Can anyone throw any light on to why this is happening please?
Also on the checkout_payment page 4 of 5 I am seeing the order duplicated. Not too sure if this related.
Any guidance would be welcome, thanks.
By the way I have other sites running the same version on the server but using PayPal Standard or other gateway without any issues.
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