Quote Originally Posted by delia View Post
Everything looks correct for English/American etc in the shipping method and in the cart. Assuming they set up their account properly at UPS?

"This measurement system is not valid for the selected country or territory."
That's apparently a message coming back from UPS (it's not in the upsxml language file). It "sounds like" the either the Unit Weight or Unit Length settings aren't valid for whatever the "selected country" is (e.g. KGS or CM, respectively, when the country is the US).