i have got google checkout working but when you click checkout i get a message "Oops!
Geoff Bernstein Photography has sent Google a shopping cart with errors in it. We'll contact them to ask that they fix this problem. As this could be a temporary issue, you can go back in your browser to try checking out again."

can someone give me some incite as to what could be wrong
thanks

Hi to add to "grofrys post". Has any one got the Google check out to owrk and not come up with the Oops! page. ie https://checkout.google.com/api/checkout/v2/checkoutForm/Merchant/765817116238918

Any one got any ideas
thnaks Spencer

Grofry & spencer:

Log into Google Checkout, open the Settings tab, and on the left, select "Integration".

Uncheck "My company will only post digitally signed carts." and hit save.
For some reason, this plugin still isn't signed.