Quote Originally Posted by ropu View Post
im pretty sure that the issue. try putting everything to none or tax goods and see if the button appears enabled. if so, pm to see how we can fix this issue and "unconfuse" GC button

ropu
Ropu,

I can confirm with certainty the root cause of the problem now.

If Tax Class is set to anything BUT NONE it breaks.
When Tax Class is none, the googlebutton is enabled and works for those shipping option that have tax class set to NONE.

1. I enabled 5 shipping option from AdminUI Shipping module and configured all to have a Tax Class SET TO Taxable Goods...Google install is successful with no error when I go to my url/googlecheckout/responsehandler.php. Google Checkout button is disabled (greyed out) and customer is unable to checkout.

2. I enabled 5 shipping option from AdminUI Shipping module and configured all to have a Tax Class SET TO NONE...Google install is successful with no error when I go to my url/googlecheckout/responsehandler.php and the Google Checkout button is enabled and all shipping options were presented to me during google checkout.

3. I enabled 5 shipping option from AdminUI Shipping module and configured TWO to have a Tax Class SET TO NONE...Google install is successful with no error when I go to my url/googlecheckout/responsehandler.php. The Google Checkout button is enabled BUT ONLY TWO shipping options that have Tax Class SET TO NONE were presented to me during google checkout.

At least now we know the source of the problem, we just need a solution

Perhaps this issue is related that GC is also not calculating Sales Tax in 1.0.4r even though it shows a tax line when checking out using GC.

Thanks for all your work.