I am trying to configure paypal express checkout with sandbox API credentials. When I fill out my information on the ubercart checkout page, select paypal as the payment type, and submit the page I am shown the following error:
"Error message from PayPal:
The field Shipping Address1 is required"
I have filled in all available fields just to test yet the error persists.
Hopefully I just missed something in the config or documentation, but I have searched around and not been able to find a solution.
Any ideas? Thanks.

Can you give a little info on your setup and process to make that happen... also, PayPal Express Checkout is enabled on the Livetest. Can you get it to fail there?