Shipping not working properly
I have selected UPS Standard as my default domestic and international shipping. The information in the Shipping Settings is correct, as I can connect to the account via the UPS website using it. When I try to submit a CC order with shipping turned off, I am taken to the confirmation page, so it's working as expected. When I enable shipping (UPS Standard) and use the same information as I did with shipping disabled, I am taken to the shipping failure page -
checkout_failure.php?shipping=fail
How can I troubleshoot this?