After upgrading to 2.0.1 I am getting a "Please select at least 1 list." message when a user submits their contact info.
My settings in Constant Contact->Registration & Profile are
User subscription method: single checkbox
List selection option: checkboxes
Active contact list: I have a list selected called "website newsletter sign-up"
Hidden contact lists: none selected
In my newsletter template I have the following:
<?php $sbw = new constant_contact_api_widget(); $sbw->widget(); ?>
The newsletter sign-up form can be viewed here: http://blair.estlandpreview.com/newsletter
Thank you for your time in creating this plugin for the WordPress community! The updates in this version (specifically the form builder) are wonderful improvements.