OK, on my order, it prefilled the address & phone #, but I don't see WL on there any more. Weird! Anyway, what I would do is fill in the info manually. You can check that you're staying at a Disney resort, and then enter the following:
Disney's Wilderness Lodge Resort
901 W. Timberline Drive
Lake Buena Vista, FL 32830
(407) 824-3200
That's the address and phone # that were on my order, and it got there with no problem. HTH