on the page:
it is a blank page. The title "payment information" is in the title area, then a big open white spot. The only choice is to "continue checkout". When you click this button it goes to the error:
There was a problem connecting to PayPal to setup your purchase. Please try again.
10002 - Security error - Security header is not valid
How can I resolve this? We have set up the PayPal API and have verified it several times.
We are using the FlexSqueeze theme.