I have the same problem with the "reset" of the field.
I also get this error when enabling debug mode:
WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE to
=150 AND type
='post2conf' ORDER BY order_to' at line 1]
SELECT from
FROM WHERE to
=150 AND type
='post2conf' ORDER BY order_to