I read similar posts to my problem, but I don't see a solution I can implement as I don't know how to make the dropdown lists for State/Country to come of the database.
On the confirm.php page I am getting an "Unknown column 'MI' in 'field list'"
It appears that that the code is calling a function to change the abbreviation to a number:
WA_eCDB_ConvertNumber("".((isset($_POST["state_province"]))?$_POST["state_province"]:"") ."") .
However, it appears it's trying to insert the abbreviation into the SQL database, which is an int column. I've not studied php before and I'm using the pages as they are generated by the checkout wizard.