[Plugin: WooCommerce] Checkout saying fields are required

WooCommerce checkout is telling me:

First Name is a required field.
Last Name is a required field.
Email Address is a required field.

But the issue is all fields have been entered. Does someone know how to fix the issue?

Screenshot of issue: http://s25.postimg.org/mbhotn8pb/checkouterror.jpg

Page can be tested at https://eatuberbacon.com/checkout/